--Does Lily _____any brothers? ---No.________she has two sisters.
She is sad. Why don’t you cheer her up?
--- I don’t know when ______ tomorrow.--- I will call you as soon as he ______.
The number of foreign students in China ______ increased.
Mr. Smith has taught for many years and he teaches well. All the students ______ him.
______ Mary ______ Nancy is interested in classical music. They often go to the concert to listen to it together.