Text：My Earliest Memories 1
Grammar：The Object Clause 1 3
Grammar：Types of Sentences 4
The Adverbial Clause 4
Text：The First Postage Stamp 12
Grammar：The Present Perfect Continuous Tense 16
Lesson 21
Contents 21
Lesson 22
Text：China 22
Lesson 23
Lesson 24
Lesson 25
Grammar：The Superlative Degree 26
Lesson 26
Lesson 27
Lesson 28
Lesson 29
Lesson 30
Lesson 31
Lesson 32
Lesson 33
Text：Crazy Goats 33
Lesson 34
Lesson 35
Lesson 36
Lesson 37
Grammar：The Past Continuous Tense 37
Lesson 38
Text：The Story of Little Gauss 43
Grammar：The Past Perfect Tense 47
Text：The Story of Dr.Drew 53
Grammar：The Passive Voice（1） 57
Text：Glass Goes Modern 63
Grammar：The Passive Voice（2） 67
Text：Marco Polo 75
Grammar：The Attributive Clause（1） 80
Text：Synthetics 87
Grammar：The Attributive Clause（2） 93
Text：An American Mother 97
Direct Speech and Indirect Speech The Past Future Tense 103
Text：Africa—Land and Civilization 111
Grammar：Some Basic Uses of the Article 117
Text：Lenin in London 124
Grammar：The Gerund and the Participles 131
Text：The Olympic Games 138
Grammar：The Infinitive 144
Text：The People of the United States 151
Grammar：The Subject Clause and The Predicative Clause 157
Text：Standing Room Only 164
Grammar：The Subjunctive Mood 170
Text：The Cop and the Anthem 177
Grammar： Word Formation 186
Text：Patients Needed 195
Grammar：The Use of“It” 202
Revision Exercises 209
Vocabulary 216