---You could have asked your teacher for help .He

发布时间：2021-02-27 22:09:05

---You could have asked your teacher for help .He is kind-hearted .---Yes,a whole day

网友回答

C,could have done 表示本能做某事,但实际上却没有做,所以这应该是一个完成时态,但是时间是被浪费掉,是被动语态,所以选C.
======以下答案可供参考======
供参考答案1:
C供参考答案2:
C
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