PRE-UNIT: Getting to KnowYou
CHALLENGE 1 Information Questions with Be
CHALLENGE 2 Information Questions with Do
CHALLENGE 3 Editing
UNIT 1: Balancing Your Life
CHALLENGE 1 Using Used to in Affirmative and Negative Statements
CHALLENGE 2 Used to in Yes/No with Wh- Questions
CHALLENGE 3 GivingAdvice: Could, Should, How about Why don't you . . . ?
CHALLENGE 4 Adjective Clauses
CHALLENGE 5 Modals and Related Expressions for Suggestions, Advice, and Necessity
EXTENSION CHALLENGE 1: Used to vs. Be used to
EXTENSION CHALLENGE 2: Omission of the Relative Pronoun in Adjective Clauses
UNIT 2: Personal Finance
CHALLENGE 1 Howmuch
CHALLENGE 2 Contrary-to-Fact Conditionals: Statements
CHALLENGE 3 Contrary-to-Fact Conditionals: Yes/No Questions
CHALLENGE 4 Passive Voice: Present
CHALLENGE 5 Contrary-to-Fact Conditionals: Wh- Questions
EXTENSION CHALLENGE 1: Future Conditional
EXTENSION CHALLENGE 2: Wishes for Desired Change
UNIT 3: Buying a Home
CHALLENGE 1 Comparative and Superlative Adjectives
CHALLENGE 2 Comparative and Superlative Questions
CHALLENGE 3 Yes/No and Information Questions
CHALLENGE 4 Irregular Comparative and Superlative Adjectives
CHALLENGE 5 Should and Should have
EXTENSION CHALLENGE 1: Compound Adjectives
EXTENSION CHALLENGE 2: As many.., as, As much.., as
UNIT 4: Community
CHALLENGE 1 Embedded Questions: Wh-Questions
CHALLENGE 2 Embedded Questions: Yes~No Questions
CHALLENGE 3 Making Suggestions
CHALLENGE 4 Indirect Questions
CHALLENGE 5 Can, Could, and Should
EXTENSION CHALLENGE 1: Embedded Questions in Statements
EXTENSION CHALLENGE 2: Embedded Questions with Infinitive Phrases
UNIT 5: Health
CHALLENGE 1 Present Perfect
CHALLENGE 2 Present Perfect Continuous Statements
CHALLENGE 3 Indirect Speech
CHALLENGE 4 Indirect Speech: Modals
CHALLENGE 5 Present Perfect Continuous Questions
EXTENSION CHALLENGE 1: Present Perfect vs. Present Perfect Continuous
EXTENSION CHALLENGE 2: Indirect Speech: Sequence of Tenses
UNIT 6: Getting Hired
CHALLENGE 1 Restrictive Adjective Clauses
CHALLENGE 2 Generalizations
CHALLENGE 3 Past Perfect Tense: Forms
CHALLENGE 4 Past Perfect Tense: Uses
CHALLENGE 5 Past Perfect Tense with Simple Past
EXTENSION CHALLENGE !: Non-RestrictiveAdjective Clauses
EXTENSION CHALLENGE 2: Restrictive vs. Non-Restrictive Adjective Clauses
UNIT 7: On the Job
CHALLENGE 1 Tag Questions
CHALLENGE 2 Passive Voice: Form
CHALLENGE 3 Passive Voice: Overview of Tenses
CHALLENGE 4 Active to Passive Voice
CHALLENGE 5 Verbs with Two Objects
EXTENSION CHALLENGE 1: Two-Word Phrasal Verbs
EXTENSION CHALLENGE 2: Tag Questions with Indefinite Compound Pronouns and Negative Words
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