My car went wrong on my way to the office.
—Don’t leave your computer_____ if you don’t use it. Electricity is valuable. — Sorry, I won’t. A. on B. out C. off
The air_______ of Shenzhen in February ranked the 10th among 74major cities in China. A. quarter B. quality C. quantity
— Do you know the Beijing actor Lu Han? — Yes. He is a former _______ of the South Korean pop band EXO. A. number B. amount C. member
The plane will ________ from Guangzhou Airport and land in New York.
. --- May I play computer games now, mum?--- No, you _______. You haven’t finished your homework yet.