题目内容
The problem is hard but Tom has_____a good idea to solve it.
A.caught up | B.came up with | C.caught up with | D.comn up wlth |
D
试题分析:句意:这个问题很难,但是汤姆已经想出了解决他的主意。Come up with提出,想出catch up with超过,赶上,结合语境可知用现在完成时have done , 故选D。
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