Doctor Wang operated _______my mother yesterday.
—Would you like some ___________?—Yes, please. I’m thirsty.
—Shall we go out for a swim?—Sorry, I can’t. I ______ housework for my mother now.
Now Chinese people are living a _________life than before.
Don’t _________ the bus until it has stopped. Safety is first.
I don’t know the girl in red. Could you tell me ________?