With the development of the Internet, _____ communication will be done by regular mail.
If only you him what I said, everything would have been all right.
It’s high time we our attention to this problem.
It’s necessary that he a recognized qualification .
We demanded that we of any change in the plan.
--- John went to the hospital alone. --- lf he me about it ,I would have gone with him (2010 .天津)