— Look! Somebody _____the sofa.
— Well, it wasn't me. I didn't do it.
A. is cleaning B. was cleaning
C. has cleaned D. had cleaned
_____ on folk tales, Mo Yan's novels become a mixture of fantasy and reality.
A. Based B. Basing C. Base D. To base
No matter how busy he is, he makes _____a rule to surf the Internet for information.
A.him B.this C. that D. it
— Tom was late for work this afternoon.
— _____？As far as I know, he is fairly punctual.
A.Why not B. So what C. How come D. How about
—Your mother becomes more and more forgetful.
—Yes. She searched for her cellphone for a whole day last Sunday but it ______ in her coatpocket the next day.
A．turned out B．turned on C．turned over D．turned up
— My cat’s really fat.
— You ______ have given her so much food.
A．wouldn’t B．couldn’t C．shouldn’t D．mustn’t
