B:Couldn't
could 是 Conditional tense.
I couldn't do her job,I'm sure - 如果是我的话,我不一定能做好她的工作
I can't do her job,I'm sure - 她的工作我肯定做不来
Susan has to work very hard .I( )do her job,I'm sure.
Susan has to work very hard .I( )do her job,I'm sure.
A.can't
B.couldn't
这里用哪个词?why?
A.can't
B.couldn't
这里用哪个词?why?
英语人气：908 ℃时间：2019-10-19 05:20:36
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