To live on Mars, you need to wear boots which ________ to prevent you from floating off into space.
A. design B. designed
C. are designing D. are designed
Of all the movies, Birdman got the awards at the 87th annual Academy Awards ceremony.
A. more B. many C. some D. most
Taobao, China’s biggest online shopping platform, _______ the ways Chinese people shop and live.
A. changes B. changed
C. has changed D. was changing
—We will carry out the survey as we planned it rains tomorrow.
—You needn’t worry about the weather. It’s sunny tomorrow.
A. until B. unless
C. if D. when
“One Belt, One Road” (一带一路) will serve to ______ markets for China as well as other countries along.
A. put up B. open up
C. take up D. look up
—Someone is knocking on the door. Is it Nancy?
—It be Nancy. She has gone to Shanghai on business.
A. mustn’t B. can’t
C. may not D. will not
