PRE-UNIT:Getting to Know You 2
CHALLENGE 1 Contractions 2
CHALLENGE 2 Present Tense 4
CHALLENGE 3 Past Tense 6
UNIT 1:Balancing Your Life 2
CHALLENGE 1 Adverbs of Frequency 2
CHALLENGE 2 Future Time Clauses with When 4
CHALLENGE 3 Be+Infinitive 6
CHALLENGE 4 Be+Gerund 8
CHALLENGE 5 Imperatives 10
EXTENSION CHALLENGE 1:Adverbial Clauses with Because and So(that) 12
EXTENSION CHALLENGE 2:Time Clauses with When 14
UNIT 2:Consumer Smarts 16
CHALLENGE 1 Get+Past Participle(Causative) 16
CHALLENGE 2 Superlative Adjectives 18
CHALLENGE 3 Comparative Adjectives 20
CHALLENGE 4 Must and Have to 22
CHALLENGE 5 Transition Words 24
EXTENSION CHALLENGE 1:Comparatives and Superlatives with Nouns 26
EXTENSION CHALLENGE 2:Comparative and Superlative Questions 28
UNIT 3:Housing 30
CHALLENGE 1 Comparing more/fewer/less and most/fewest/least 30
CHALLENGE 2 Present Tense Yes/No Questions and Answers 32
CHALLENGE 3 Information Questions 34
CHALLENGE 4 Past Continuous 36
CHALLENGE 5 Past Continuous with While 38
EXTENSION CHALLENGE 1:Information Questions 40
EXTENSION CHALLENGE 2:Time Clauses with When and While 42
UNIT 4:Our Community 44
CHALLENGE 1 Information Questions 44
CHALLENGE 2 Information Questions about Cost(What,How Much) 46
CHALLENGE 3 Imperatives 48
CHALLENGE 4 Adverbial Time Clauses(Past Tense) 50
CHALLENGE 5 Editing 52
EXTENSION CHALLENGE 1:Prepositions of Location 54
EXTENSION CHALLENGE 2:Adverbial Time Clauses(with Future Meaning) 56
UNIT 5:Health 58
CHALLENGE 1 Modal:Should 58
CHALLENGE 2 Present Perfect 60
CHALLENGE 3 Future Conditional 62
CHALLENGE 4 Imperatives 64
CHALLENGE 5 Imperatives vs.Declaratives 66
EXTENSION CHALLENGE 1:Meanings of the Present Perfect 68
EXTENSION CHALLENGE 2:For and Since 70
UNIT 6:Getting Hired 72
CHALLENGE 1 Present Tense 72
CHALLENGE 2 Gerunds and Infinitives 74
CHALLENGE 3 Gerunds after Prepositions 76
CHALLENGE 4 Used to 78
CHALLENGE 5 Would rather 80
EXTENSION CHALLENGE 1:Present Perfect Continuous 82
EXTENSION CHALLENGE 2:Adverbs of Manner 84
UNIT 7:On the Job 86
CHALLENGE 1 Possessive Adjectives and Pronouns 86
CHALLENGE 2 How Much and How Many 88
CHALLENGE 3 Prefer...to 90
CHALLENGE 4 Modals:Could/Might 92
CHALLENGE 5 Would you mind...and Could you...? 94
EXTENSION CHALLENGE 1:Reported Speech 96
EXTENSION CHALLENGE 2:Three-Word Phrasal Verbs 98