---How can I keep healthy?---I think you ought to_________.A.do more exerciseB. doing more exerciseC. exercising more
How is your leg, Mike? Oh, don’t worry! The X-ray shows it is _______.
There is _______ rain this year. All the plants grow well.
—Do you have _______ flu? No, I have _______ bad cough.
I won the 800-meter race yesterday. ______.
There ______ an exciting party at his house this evening.