—Shall we go out for a swim?
—Sorry, I can’t. I ______ housework for my mother now.
A. am doing B. is doing C. are doing D. did
Now Chinese people are living a _________life than before.
A. good B. well C. better D. best
Don’t _________ the bus until it has stopped. Safety is first.
A. get along B. get go C. get off D. get up
—_________ I borrow your history book?
—Sure. Here you are.
A. Must B. May C. Need D. Will
Helen and Mary are good friends. _______often help each other.
A. Them B. Theirs C. They D. Their
Lady Gaga is ________very popular singer. She has lots of fans.
A. a B. an C. the D. /
