Bài 5: Choose the letter A, B, C or D to indicate the underlined words that need
correction.
1. (A) The office phone (B) needn't be used (C) for (D) private calls.
2. You (A) needn't forget (B) to buy some (C) vegetables when (D) going home this
evening.
3. We have (A) enough food (B) at home, so we (C) mustn't go (D) shopping today.
4. (A) Some people think that there (B) is still gender (C) discriminate (D) in our country.
5. These (A) pills must not (B) take if you (C) are (D) under 12 years old.
Bài 6: Rewrite the sentences in passive voice.
1. You may forget the rules quickly.
2. You should study the lessons repeatedly.
3. My brother must win the competition.
4. They should cancel the match.
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5. The teacher can't persuade her.
6. They need to repair my car.
7. Who should pay the damage?