As we all know, it’s not polite to keep others _________ for a long time.A.waitB.wai
As we all know, it’s not polite to keep others _________ for a long time.
A.wait | B.waited | C.to wait | D.waiting |
D解析:
这里考核keep doing sth和keep sb doing sth结构。
注意:others这里是“别人”的意思。