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改错Inshort,allhasbeenimprovingsincetheschoolhadbegantocarryonnewpolicies!

题目详情
改错 In short,all has been improving since the scho
ol had began to carry on new policies!
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答案和解析
更正如下:In short,all has been improving since the school began to carry out new policies!since引导的时间状语从句用一般过去时,主句则用现在完成时或现在完成进行时.carry on sth 继续某事;carry out sth ...