When Edison was very young ,he liked to find out how ___.A.did th_英语解答

When Edison was very young ,he liked to find out how ___.
A.did things work B.do things work C.things work D.things worked

人气：315 ℃　时间：2020-04-19 16:01:29

解答

选D 这里考察宾语从句用陈述句语序的知识.即主语在前,谓语在后.C中时态不对,A和B中不能要助动词