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___ will it take?I have little time left.Don't worry.It won'

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___ will it take?I have little time left.Don't worry.It won't take you much time.
请问how long,how soon 有什么区别?
___ will it take?I have little time left.
Don't worry.It won't take you much time.
A:How soon B:How long
long,how soon 有什么区别?为什么不选how soon呢?
选择B,
1how soon,一般用于将来时态,意思为“多久之后”,侧重某人某事能多快时间完成,后面回答用:in+
”如“ in two days” “in five years”
例如:A:How soon will he be back?他要多久才回来?
B:In an hour.1 小时以后.
2how long,表示多长时间,主要用来对一段时间(如three days,four weeks 等)提问
例句:A:How long did he stay here?他在这儿呆了多久?
B:About two hours.大约两小时.
How long 还表示“东西有多长”
如:
A:How long is the river?这条河有多长?
B:About 50 km.大约50千米.