—I often have hamburgers for lunch. —You’d better not. It’s bad for you ______ too much junk food.
—Our country ___progress in science and culture in recent years.
_____he is very tired , _____he still goes on working.
When we went into the park, we saw someone _____ Chinese Kungfu.
_____is watching TV. Let’s turn if off.
—Have you ever _____ Mudanjiang to see the Jingbo Lake?—Yes, I have.