Hiking is ____ great fun. You will get close to _____ nature and take exercise at the same time.
—My teacher says she’s cancelling the class play. I just can’t understand.—______.You were looking forward to it.
I’m very glad to see that your vocabulary is gradually ________.
More than twenty years____________since he came to teach in this school, and every student and every parent_____him.
________ thousands of Chinese students,Chuck has vast experience in the Chinese class.
We do not have enough money.________,we cannot afford to buy the new car.