Cindy is ____at Chinese and she speaks Chinese ______.
The coat is very nice. Can I ______?
If there are _______ people driving, there will be _______ air pollution.—Yes, the air will be fresher.
I could tell by the way ____ he looked at me____ he was annoyed.–So don’t play such tricks on him any more.
Do you have classes in the morning?—Yes, we have a class _____ 9 :30.[ ]