We felt ______ impossible to finish the work without help.
Most Chinese people like red because they think it can ________ them good luck.
---___________ do they visit their old friends? ---Once a year.
Andy ______ chats with his friends after class because he is busy doing his homework.
— Excuse me. Could you ________ English in class? — Yes, of course. I am very good at _______ English stories.
- What can I do for you, Madam? - I'd like two_______.