关于how soon 和how long.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/21 07:58:53

关于how soon 和how long.
Chould you tell us( ------For about two weeks.
A.how soon you will be back B.how long you will be there
C.how soon will you be back D.how long you will be away

应该选D 理由如下
How soon通常在一般将来时,意为"再等多长时间?","多长时间才……?"
是对 "in +时间段"（ in ten minutes/two hours/ a week）提问.
Can you tell me how soon you can be ready?你能告诉我你多久能准备好吗?
how long与how soon都可以用来提问时间.
但是how long一般用于提问完成时,例如：
How long have you been there?-I have been there for 3 years.
而how soon是用于提问将来时的,例如：
How soon will you arrive here?-I will arrive here in 3 hours.
换一个说法.如果答句中用的介词是for前面就要用how long；如果是in,前面要用how soon
how long指的是多长时间,多长的长度
比如:how long have you been collecting
dolls 你收集玩具多长时间了?
how soon指的是多快,比如how soon will you be there?你多快能到那儿?

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