问题

Why didn’t you reared him of the possible danger?—But whatotherwise? He never listens to me.

A:could I do
B:could I have done
C:should I do
D:must I have done

正确答案是：

同类题型

At present, you do meet with some difficulty in English learning, but you will have a good knowledge of it.

If it ______ tomorrow， we will make a snowman.

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