情态动词和从句引导词的用法?——May I smoke here?——If you _____,do it
情态动词和从句引导词的用法?
——May I smoke here?
——If you _____,do it in the smoking section.
(答案给的是need,可是我觉得应该用must,)
2.I‘ll give you my friend's home address,_____ I can be reached most evenings.
(答案是where,但是我觉得是which,我的理由是这个不应该是非限制性定语从句吗,而且前面还有先行词home address.)