Key to Pre-unit Test 1 1
Lesson 1 A private conversation—Word order in simple statements 4
Lesson 2 Breakfast or lunch？—The present,simple and continuous 8
Lesson 3 Please send me a card—The simple past 12
Lesson 4 An exciting trip—The present perfect simple 16
Lesson 5 No wrong numbers—The simple past and the present perfect 20
Lesson 6 Percy Buttons—The indefinite and definite articles 24
Lesson 7 Too late—The past continuous 28
Lesson 8 The best and the worst—The comparison of adjectives 32
Lesson 9 A cold welcome—Prepositions of time 36
Lesson 10 Not for jazz—The passive 40
Lesson 11 One good turn deserves another—Review of tenses 44
Lesson 12 Goodbye and good luck—The simple future 48
Lesson 13 The Greenwood Boys—The future continuous 52
Lesson 14 Do you speak English？—The past perfect 56
Lesson 15 Good news—Indirect statements 60
Lesson 16 A polite request—Type I conditional statements 64
Lesson 17 Always young—Must and Have to 68
Lesson 18 He often does this!—Have(possession/ordinary verb) 72
Lesson 19 Sold out—Can and May 76
Lesson 20 One man in a boat—The gerund after prepositions 80
Lesson 21 Mad or not？—The passive(auxiliary/modal verbs) 84
Lesson 22 A glass envelope—Verbs followed by prepositions:Of,From,In and On 88
Lesson 23 A new house—Review of tenses,modal and auxiliary verbs 92
Lesson 24 It could be worse—Special difficulties:Review 96
Key to Pre-unit Test 2 100
Lesson 25 Do the English speak English？—Word order in compound statements 102
Lesson 26 The best art critics—The present,simple and continuous:Stative verbs 106
Lesson 27 A wet night—The simple past 110
Lesson 28 No parking—The present perfect simple(Since and For) 114
Lesson 29 Taxi!—The simple past and the present perfect simple 118
Lesson 30 Football or polo？—The indefinite and definite articles 122
Lesson 31 Success story—The past continuous and'Used to' 126
Lesson 32 Shopping made easy—The comparison of adjectives 130
Lesson 33 Out of the darkness—Prepositions indicating direction 134
Lesson 34 Quick work—The passive 138
Lesson 35 Stop thief!—Review of tenses 142
Lesson 36 Across the Channel—The simple future and'Going to' 146
Lesson 37 The Olympic Games—The future perfect simple 150
Lesson 38 Everything except the weather—The past perfect simple 154
Lesson 39 Am I all right？—Indirect questions 158
Lesson 40 Food and talk—Type 2 conditional statements 162
Lesson 41 Do you call that a hat？—Must,Have to and Need 166
Lesson 42 Not very musical—Have(ordinary verb) 170
Lesson 43 Over the South Pole—Can and Be able to 174
Lesson 44 Through the forest—The gerund and the infinitive 178
Lesson 45 A clear conscience—The passive 182
Lesson 46 Expensive and uncomfortable—Verbs followed by prepositions:To,At,For and With 186
Lesson 47 A thirsty ghost—Review of tenses,modal and auxiliary verbs 190
Lesson 48 Did you want to tell me something？—Special difficulties:Review 194
Key to Pre-unit Test 3 198
Lesson 49 The end of a dream—Word order in complex statements 200
Lesson 50 Taken for a ride—The present(continuous and simple):Stative verbs 204
Lesson 51 Reward for virtue—The simple past 208
Lesson 52 A pretty carpet—The present perfect,simple and continuous 212
Lesson 53 Hot snake—The simple past and the present perfect,simple and continuous 216
Lesson 54 Sticky fingers—The indefinite and definite articles 220
Lesson 55 Not a gold mine—The past continuous,'Used to'and'Would' 224
Lesson 56 Faster than sound!—The comparison of adjectives,'Much','Many','A lot of' 228
Lesson 57 Can I help you,madam？—Prepositions:At,In,Off(showing place,position);In,With(describing people and their possessions) 232
Lesson 58 A blessing in disguise？—The passive 236
Lesson 59 In or out？—Review of tenses 240
Lesson 60 The future—The present tense,simple and continuous,used in place of Shall/Will 244
Lesson 61 Trouble with the Hubble—The simple present perfect used in place of the future perfect after temporal conjunctions 248
Lesson 62 After the fire—The past perfect,simple and continuous 252
Lesson 63 She was not amused—Indirect speech(indirect commands) 256
Lesson 64 The Channel Tunnel—Type 3 conditional statements 260
Lesson 65 Jumbo versus the police—Must,Have to,Should and Ought to 264
Lesson 66 Sweet as honey!—Have(causative use) 268
Lesson 67 Volcanoes—Can,Be able to and Manage to 272
Lesson 68 Persistent—The gerund after certain verbs and expressions 276
Lesson 69 But not murder!—The passive 280
Lesson 70 Red for danger—Adjectives followed by prepositions:For,With,Of,To,At,From,In,On,and About 284
Lesson 71 A famous clock—Review of tenses and auxiliary/modal verbs 288
Lesson 72 A car called Bluebird—Special difficulties:Review 292
Key to Pre-unit Test 4 296
Lesson 73 The record-holder—Simple,compound and complex statements:Review(KS 1,25,49) 298
Lesson 74 Out of the limelight—The present,simple and continuous:Review(KS 2,26,50) 302
Lesson 75 SOS—The simple past:Review(KS 3,27,51) 306
Lesson 76 April Fools'Day—The present perfect,simple and continuous:Review(KS 4,28,52) 310
Lesson 77 A successful operation—The simple past and the present perfect,simple and continuous:Review(KS 5,29,53) 314
Lesson 78 The last one？—The indefinite and definite articles:Review(KS 6,30,54) 318
Lesson 79 By air—The past continuous and'Used to': Review(KS 7,31,55) 322
Lesson 80 The Crystal Palace—The comparison of adjectives:Review(KS 8,32,56) 326
Lesson 81 Escape—Prepositions:Review(KS 9,33,57) 330
Lesson 82 Monster or fish？—The passive:Review(KS 10,34,58) 334
Lesson 83 After the elections—Review of tenses(KS 74-82) 338
Lesson 84 On strike—The future:Review(KS 12,36,60) 342
Lesson 85 Never too old to learn—The future and the future perfect:Review(KS 13,37,61) 346
Lesson 86 Out of control—The past perfect,simple and continuous:Review(KS 14,38,62) 350
Lesson 87 A perfect alibi—Indirect speech:Review(KS 15,39,63) 354
Lesson 88 Trapped in a mine—Conditional statements:Review(KS 16,40,64) 358
Lesson 89 A slip of the tongue—Must,Have to,Need,Should:Review(KS 17,41,65) 362
Lesson 90 What's for supper？—Have:Review(KS 18,42,66) 366
Lesson 91 Three men in a basket—Can,Be able to,Manage to:Review(KS 19,43,67) 370
Lesson 92 Asking for trouble—The gerund:Review(KS 20,44,68) 374
Lesson 93 A noble gift—The passive:Review(KS 21,45,69) 378
Lesson 94 Future champions—Verbs and adjectives followed by prepositions:Review(KS 22,46,70) 382
Lesson 95 A fantasy—Review of tenses(KS 60,69) 386
Lesson 96 The dead return—Special difficulties:Review(SD 74-91) 390
Structural index 394
Lexical index 399