改错:Theytalkedforaboutanhourofincidents,mostofthemhappen...
问题详情:
改错:They talked for about an hour of incidents, most of them happened recently.
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【回答】
them→which 两个句子之间没有连词连接,应该把代词them改为具有连接作用的关系代词。介词of后指物的关系代词应用which。
知识点:定语从句
题型:短文改错