--- is your jacket ? --- It’s orange . A. What’s ; a B. What color ; an C. What color ; /
The red car is Jim’s and the blue one ________.
---He went to see the man who was in hospital yesterday.--- ______.
---I _________ stay up late. ---Really? I didn’t. But I ______ working in the night.
Beijing _________a lot in the last ten years. It is one of _________ in China.
We really don’t know _________ with our problems in learning English.