which和where when和which的用法
一定要仔细
你怎么这么不细心,写了2遍which,which得意思是哪一个,where是在什么地方,when是什么时候,what是是什么。这个词都是疑问代词,放在句首,表示疑问,后面接疑问句,唯一不同的就是意思不一样。如:what is this?这是什么when are you go to school?你什么时候去学校where is your school?你的学校在哪儿which apple is green?哪个苹果是绿色的
问:he was still at middle school-this boy became expert at computer?
答:Was it in 1998---he was still at middle school---this boy became expert at compu...详情>>
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