问题 选择题

He ______finish his homework before 12 o’clock.

A.haven’t to

B.don’t have to

C.hasn’t to

D.doesn’t have to

答案

答案:D

考查固定短语。没有必要做某事,don’t have to do sth /needn’t do sth.故选D。

单项选择题
单项选择题