问题

He was a stubborn person. ________, we could not persuade him to change his mind.

A:Hard tried as we
B:As we tried hard
C:We tried as hard
D:Hard as we tried

正确答案是：

同类题型

The company is deep in _____, so you’d better avoid dealing with it.

__ it easier to get in touch with us, you’d better keep this card at hand.

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