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sat语法题In(thosecities)(inwhich)publictransportationisadequate,fewertrafficproblemsoccurandpedestrians(arerarely)(involvedin)accidents.No哪个地方错了?

题目详情
sat语法题
In (those cities)( in which )public transportation is adequate,fewer traffic problems occur and pedestrians (are rarely) (involved in) accidents.No
哪个地方错了?
▼优质解答
答案和解析
E no error
in which 改为where更爽,因为开头已经有一个in了.但是语法上是真确的.