第一部分：单项选择—Make sure you have turned off the air conditioners before going out.—_______________.

I usually ______/’præktIs/ the piano after school.

“Frog”, Mo Yan’s latest novel（小说）, please! — Sorry, it ________ just now. But it will come out again soon.

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

Nick studies hard these days and ______ his classmates. [ ]