It’s too bad that I failed in the math exam. If only I ______ hard at it!A．work_刷题宝

题干

It’s too bad that I failed in the math exam. If only I ______ hard at it!

A．worked

B．had worked

C．has worked

D．would work

上一题下一题 0.64难度单项选择更新时间:2013-01-23 11:21:41

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