题目
1.对“since+从句”提问用how long吗?
例：He has worked at the factory since he came here.
对since he came here.该怎么提问?
2.对“since+时间段+ago”提问用how long吗?
例：I have been here since 2 years ago.
对since 2 years ago.该怎么提问?
例：He has worked at the factory since he came here.
对since he came here.该怎么提问?
2.对“since+时间段+ago”提问用how long吗?
例：I have been here since 2 years ago.
对since 2 years ago.该怎么提问?
提问时间：2021-03-04
答案
1 How long has he worked at the factory?
2 How long have you been here?
2 How long have you been here?
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