Tom was about to close the windows his attention was caught by a bird． A．when B．if ——青夏教育精英家教网——

题目内容

24、Tom was about to close the windows_____his attention was caught by a bird．

A．when B．if C．and D．till

试题答案

24、A

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

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

when

if

and

till

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