问题
选择题
His mother is ill. He has to ________ her at home.
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答案
答案:B
题目分析:此题重点考查动词短语辨析,look at“看”,表动作;look after“照顾、照看”相当于take care of;look for“寻找”表示找的动作;look into“调查”,根据题意,他妈妈生病了,他必须在家照顾他妈妈,故选B
点评:动词短语在考试中经常出现,要正确区分并运用,尤其是短语中的介词是考查的重点。