题目内容:
—Must I return this book before Friday, Sir?
—No, you ________,dear. You can keep it for two weeks.
A.can’t
B.shouldn’t
C.mustn’t
D.needn’t
参考答案:
答案解析:
—Must I return this book before Friday, Sir?
—No, you ________,dear. You can keep it for two weeks.
A.can’t
B.shouldn’t
C.mustn’t
D.needn’t