There was a subway 50 years ago.(一般疑问句,并作否定回答)好急,..

问题描述:

There was a subway 50 years ago.(一般疑问句,并作否定回答)
好急,..

Was there a subway since 50years ago?
No,there wasn't

Was there。。。?照抄

Was there a subway 50 years ago?
No,there was not a subway 50 years ago.

Was there a subway 50 years ago.
No,there was not.