题目内容
Scientists are still________ a cure to cancer.
- A.searching of
- B.searching
- C.searching for
- D.in search
C
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.
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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