题目内容
I _________ you, but I was busy all the time yesterday afternoon.
A. could help B. had helped
C. helped D. could have helped
D
英语中,“情态动词 + 完成时”表示“本来……”,讲过去的情况。could have helped:本来能帮助
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题目内容
I _________ you, but I was busy all the time yesterday afternoon.
A. could help B. had helped
C. helped D. could have helped
D
英语中,“情态动词 + 完成时”表示“本来……”,讲过去的情况。could have helped:本来能帮助