Look, the ground is wet. It must have rained last night, _________?A．wasn’t it B_刷题宝

题干

Look, the ground is wet. It must have rained last night, _________?

A．wasn’t it	B．hasn’t it
C．didn’t it	D．mustn’t it

上一题下一题 0.64难度单项选择更新时间:2015-08-19 12:14:40

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