共青城有哪些镇:He waited until the volcano became quiet.He waited___quiet.(选择题)

来源:百度文库 编辑:高校问答 时间:2024/05/09 10:36:43
a)to the volcano to become
b)the volcano to become
c)the volcano became
d)for the volcano to became

a
wait做及物动词时要+for。做不及物动词时,选项为谓语动词wait的补语,所以排除b和c 。
又,若选d则应是become而非过去式,所以选a,to在这里的意思同till。

All answers are wrong...

The correct answer is

“He waited for the volcano to BECOME quiet.