Tom was about to close the window　　　　his attention was caught by a bird.A．whenB．_刷题宝

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Tom was about to close the window　　　　his attention was caught by a bird.

A．when	B．if
C．and	D．till

上一题下一题 0.85难度单项选择更新时间:2018-10-20 07:16:10

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