Question

【题目】—Must I sing the song in Russian? —No, you _________. It's up to you.
A.mustn't
B.can't
C.don't
D.needn't

Answer 1

【答案】D
【解析】句意：一我必须用俄语唱这首歌吗?一不，你不必。这取决于你自己。mustn't禁止，不允许;can't不能，不会; don't不; needn't不必。对于must开头的一般问句进行否定回答，常用. needn't，所以D。