题目内容
【题目】Sorry, I _______ to help you at nine. I was busy at that time.
A.won’t come B.can’t come C.didn’t come D.shouldn’t come
【答案】C
【解析】由我当时很忙可知,描述的为过去的事实而不是虚拟,用一般过去式。
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题目内容
【题目】Sorry, I _______ to help you at nine. I was busy at that time.
A.won’t come B.can’t come C.didn’t come D.shouldn’t come
【答案】C
【解析】由我当时很忙可知,描述的为过去的事实而不是虚拟,用一般过去式。