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1 tháng 11 2018

Bài tập 1: Hoàn thành những câu hỏi sau với "must not" và "need not".

1. You.....need not....ring the bell; I have a key.

2. We......must not.....drive fast; we have a plenty of time.

3. We........must not.......drive fast; there is a speed limit here.

4. Candidates........need not.....bring books into the examination room.

5. You...........must not..........write to him for he will be here tomorrow.

6. We.....need not...........make any noise or we'll wake the baby.

7. You......must not......do all the exercises. Ten sentences will be enough.

8. I want this letter typed but you......need not.......do it today. Tomorrow will do.

9. You...must not........take anything out of the shop without paying for it.

10. You......must not.......carry that parcel home yourself; the shop will send it.