- 问题详情:单句改错1.ItisthesecondtimethathehadbeentoShanghaisofar.2.Two-fifthsofthelandinthedistrictarecoveredwithtreesandgrass.3.Whatthebosssaidatthemeetingleftadeeplyimpressiononhisemployees.4.Wanglinisstudyinghard,aimedatpassingtheCollegeEntranceExamina...
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