91.I can’t go hiking with you this weekend.—Oh!______?A.Do you have to B.Do you need to C.Must you D.WhatPlease tell me why.Thank you!
问题描述：
91.I can’t go hiking with you this weekend.—Oh!______?
A.Do you have to B.Do you need to
C.Must you D.What
Please tell me why.Thank you!
答
A 表示问他一定要做那件事(不同于go hiking 的事)么?
答
C