小曲儿山僧的日语童谣:对since 画线提问用什么词作疑问词?
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用how long。
例如:
题目是:I have been in the army since 1999.
提问应该是:How long have you been in the army?
用问时间长短的词提问,如:how long,how many years/months等.
如果划了since,要用how long
如果没划,要用since when
用how long