-- Is that girl Susan?
-- It ______ be her. She left for Beijing yesterday.
A. needn't B. can't C. mustn't
--- Mum, where are my socks?
--- Under your bed. You should your things.
A. put on B. put down C. put away
---Dad, would you please drive ?
---No hurry. We have enough time before the plane takes off.
A. faster B. more slowly C. more carefully
--- David, why are you so excited?
--- My father has made a that he will take me to Tibet next month.
A. face B. promise C. mistake
Mr. Wang often encourages us_______close to nature and enjoy its beauties
A. get B. getting C. to get
---Do you know Lin Shuhao?
---Yes. He is one of ________ basketball players in the NBA.
A. popular B. more popular C. the most popular
