when引导什么从句,后面的时态
When was the bridge constructed?
那座桥是何时修建的.?
When are the removal men coming?
搬家工人什么时候到?
When did you get engaged ?
你们什么时候订的婚?
When was the bridge constructed?
那座桥是何时修建的.?
When are the removal men coming?
搬家工人什么时候到?
When did you get engaged ?
你们什么时候订的婚?