Therearesomanydirtythingsinthelake.Weshould______.A.cleanitoffB.clean

发布时间:2020-08-07 08:59:02

There are so many dirty things in the lake. We should ______.A.clean it offB.clean off itC.clean it upD.clean up it

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C解析“彻底清理干净”是clean up,其中up为副词,如果宾语为人称代词时,应放在两个词之间,故选C.
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