Scientistsarestill________acuretoc

发布时间:2020-07-26 18:40:31

Scientists are still________ a cure to cancer.A.searching ofB.searchingC.searching forD.in search

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C解析search for sth.意为“搜寻,找寻”;search…for意为“在……找寻”;in search of表示“找寻”,是介词短语.
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