He spent much time on the work _____ he could make it successful.A．so thatB．butC_刷题宝

题干

He spent much time on the work _____ he could make it successful.

A．so that

B．but

C．or

D．because

上一题下一题 0.65难度单选题更新时间:2019-08-08 03:03:13

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