我选的是a但是答案是b ,老师不是说must问否定回答是needn't 那这题怎么回事呢must i learn all these words by heart no ,you __.it'll be fine if you copy them in your exercise books.A.needn't B.should不好意思啊,是shouldn't
问题描述：
我选的是a但是答案是b ,老师不是说must问否定回答是needn't 那这题怎么回事呢
must i learn all these words by heart
no ,you __.it'll be fine if you copy them in your exercise books.
A.needn't B.should
不好意思啊,是shouldn't
答