问题

I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.

A:mustn’t
B:needn’t
C:shouldn’t
D:couldn’t;

正确答案是：

同类题型

Our English teacher is_______ the classroom.She is writing on the blackboard.

This suit fits me well _______ the trousers are too long

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I went to work on foot yesterday, though it was raining cats and dogs.—You a bus. You were likely to get a cold.

Becoming ___________ in any language is a dream many people have, but few achieve.