Ihaveasharpknifeinmydrawer,_

发布时间：2020-07-28 14:28:00

I have a sharp knife in my drawer, ________ protect myself when I work at night．A.on which toB.on that toC.with that toD.with which to

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D解析“介词+which+动词不定式”作定语，这种短语只能使用代词which，不能使用其他代词。
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