Each year quite a lot of food __ around the world. It’s really time for us to do something.
A. was wasted B. is wasted
C. wasted D. will be wasted
（题文）— Mom, is it OK for me to watch TV for a while?
— Sorry. Why not watch TV after your homework ?
A. finishes B. finished C. has finished D. is finished
— Kate’s allowed to chat on We-Chat with her friends at home, she?
— Yes. Her parents think she is old enough.
A. doesn’t B. isn’t C. does D. is
— Are Jiangsu and Zhejiang famous for silk?
— I think so. _______ I know, more than half of the silk in China is produced in Jiangsu and Zhejiang.
A. As long as B. As far as C. As many as D. As little as
—Our English teacher always keeps his lessons ________.
—That's why he is so popular among his students.
A. lively B. happily C. freely D. friendly
—The wall of our building is made of ________.
—That's good. So the room will be bright.
A. glass B. steel C. wood D. paper
