We should be brave enough to ___________ new challenges any time.
A. carry on B. put on C. take on D. turn on
—Must I return the book this week ? I borrowed it 10 days ago.
—No， you _________ . You can _______ it for another 10 days.
A. mustn’t； keep B. don’t have to； borrow
C. needn’t； keep D. mustn’t； lend
He couldn’t wait ___________ the phone but couldn’t stop __________ when he got the bad news about his dad’s sudden death.
A. reply； to cry B. to answer； crying
C. to reply to； to cry D. answer； crying
—______of volunteers will be needed for the 2016 Olympic Games in Rio de Janeiro， Brazil.
—I hope to go there and _______them.
A. Thousands； join
B. Thousand； be a member of
C. Three thousand； take part in
D. Thousands； be in
What a big difference Tu Youyou has made to modern medicine in the world！She says she will________ her study.
A. What； carry on B. What a； carry on with
C. How； carry on with D. What a； carry on
—_______ will they do with the waste water?
—They’re having a discussion about ___________ to reuse it.
A. How； how B. How； what
C. What； how D. What； what
