–Excuse me, Mr. He, are you free? Lin Tao and I want to tell you _____.     –Sure.

You should look after     ,classmates.

--- _______city is the capital of China?---Beijing is .

----Which of the two subjects do you like, art or music?----______.They are really interesting.

—I don’t like the color of this sweater. Would you please show me __ one?— Here you are.