If only he _____ quietly as the doctor instructed, he would not suffer so much now.
Jim was very happy yesterday because he_____ the book that he wanted.
This is one of the problems_____ at the meeting at present.
I can’t go out with these clothes_____
The best way to prevent the air polluting _____ , but the sky is still not clear.
--- What do you think of _____opening ceremony of the Guangzhou Asian games? ----It was _____magical and memorable sight.