It________Jacktwentyminutes________

发布时间：2020-07-25 17:41:42

It ________ Jack twenty minutes ________ the math problem yesterday．A.took; to work outB.takes; to work outC.has taken; working outD.is taking; working out

网友回答

A解析take作“花费”讲时，主语常常是it；另外，通过时态可以判断。
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