—Alice, turn down the TV, please. I ______ on the phone.
—Oh, sorry.
A. talk B．talked
C. am talking D. haven’t talked
—Are you interested in shopping online?
—Not so much. We ______ see real products but pictures.
A. shouldn’t B. can’t C. mustn’t D. needn’t
—John is good at writing short stories.
—So he is. But he writes ______ than us. So he can’t get good grades in writing.
A. most carefully B. more careful
C. less carefully D. least careful
The documentary Under the Dome by Chai Jing tells us to do ______ to stop ______ our environment.
A. something, polluting B. anything, to pollute
C. everything, to pollute D. nothing, polluting
The little baby has a ______ eating nuts because he has no teeth.
A. question B. problem
C. difficult D. trouble
Nowadays, people like to discuss if young couples need ______ second child.
A. / B. an C. the D. a
