Ittookseveralweeks________allt

发布时间：2020-07-27 23:47:16

It took several weeks ________ all the reads and ________ all the broken electricity lines and telephone lines.A.clean; mendB.to clean; to mendC.cleaning; mendingD.cleaned; mended

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B解析此题符合句型It takes/took some time to do…，故选B．
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