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can you tell me if he _finish the work on time?A,is able to B,was able to C,could为什么?
题目详情
can you tell me if he _finish the work on time?A,is able to B,was able to C,could
为什么?
为什么?
▼优质解答
答案和解析
A
主情从现,条件句的从句要用现在时
B是过去式,C这个情态动词表能力要用be able to 替代
主情从现,条件句的从句要用现在时
B是过去式,C这个情态动词表能力要用be able to 替代
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