The old church ___________the first century A.D. is well preserved.A. dates back to B. dated back toC. dating back to D. to date back to
_________ in dealing with such a film, you will be sorry.
_______ very high speed, the rocket rushed into the air and soon disappeared.
If you had finished your homework yesterday, you _____ home now.
_____ doesn’t seem to have been any trouble in solving the problem.
Is it in the factory ______ you visited last week ______ this kind of car is made?