高一英语教案 Module 4 unit2 Grammar and usagestuent

A.      must not   B. won’t   C. can’t     D. may not　　

      5. Look out! The knife is very sharp. You ______ cut your finger.　　

        A. need           B. must           C. should         D. may　　

¬选择正确答案：　　

1.     Mary ____(mustn't, can't )be in Paris，for I saw her in the town only a few minutes ago．　　

2.     —May I pick a flower in the garden?　　

          —No, you____( needn’t, mustn’t)　　

3.     You ____(shouldn’t, can’t) spend much time surfing the Internet.

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