一道关于倒装的有疑问的题目：Only after my friend came＿＿.A.did the came repair B_英语解答

一道关于倒装的有疑问的题目：Only after my friend came＿＿.A.did the came repair B.he repaired the computer C.was the computer repaired D.the computer was repaired 我选A.【疑问】老师有讲过实义动词的倒装要借助助动词来实现.这道题的repaired是个实义动词,又是过去时,应该用did来实现倒装啊.为什么用was?

人气：270 ℃　时间：2020-02-15 08:52:01

解答

略去时间状语 “after my friend came”来看句子：Only .was the computer repaired.没倒装前,主语是computer,谓语是被修理： the computer was repaired.它是被动句,它已有了助词 was 就不需要另加助词. (主动句...