. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
We are kept of what is happening in the world by reading newspapers and watching television.
you have bought!
--- The sign says no one park here. --- Oh, I’m sorry.
A11 the preparations for the task , we are ready to start.
such a difficult problem, he didn’t know what to do.