How to ______this event is really a difficult problem.All the leaders are worried about it at the moment.
Now the senior people in our country live a happy life.Which of the following is correct for the underlined word in the sentence?
The air in Rizhao is getting much _____ now than a few years ago .
The food _______ my country is quite different ______that here.
—Is that ______ volleyball? —Yes. Jim likes playing ______ volleyball. ______ volleyball is his.
—What time will Mr Brown be back to China? —Sorry. I don’t know ______.