have sb do sth和keep sb doing
问题描述:
have sb do sth和keep sb doing
( A ) Hurry up.Do not have your friends ______ too long.A.waiting B.wait C.to wait D.waiting for 为什么答案选A?
答
选A不行,答案不一定对啊,尽信书则不如无书.选B,have sb do sth