Mục lục:

- Unit 1: A visit from a pen pal

Use to

- Unit 2: Clothing

The Present Perfect

The Passive Voice

- Unit 3: A trip to the countryside

The Simple Past

The Past Continuous

The Present Perfect Continuous

The Future

The Past Perfect

Prepositions of Time / Place

- Unit 4: Learning a foreign language

Direct and Reported Speech

- Unit 5: The media

Tag Questions

The Gerund

Verb + To-infinitive

- Unit 6: The Environment

Real Conditional Sentences (Type 1)

Adjective + to-infinitive/that clause

Adverb clause of reason

- Unit 7: Saving Energy

Connectives

Transitions

Phrasal verbs

- Unit 8: Celebrations

Relative Clause

Adverb Clause of Recession

- Unit 9: Natural Disasters

Relative Clause (Defining and Nondefining)

- Unit 10: Life on other planets

Unreal Conditional sentences (type 2, type 3)

Phrasal Verbs

Irregular Verbs

Comparative and Superlative Adjectives and Adverbs

Key to Exercises

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