---Would you come to my birthday party tomorrow evening? ---I’m afraid I ______. I have to look after my sister.
There are different resolutions. Some of them _____ self-improvement.
The math problem is so hard. I really don’t know.
What’s she going to be when she?
There a talk show on CCTV-3 at 8 this evening.
Lucy often goes to school on foot, doesn’t she?