We believe scientists will _____ a way to solve the problem of airpollution. [  

We believe scientists will _____ a way to solve the problem of airpollution. [  

题型:专项题难度:来源:
We believe scientists will _____ a way to solve the problem of airpollution. [     ]
A. set off
B. put off
C. come up with
D. catch up with
答案
C
举一反三
—Mind your steps, guy! Don"t you see the words "_____ the grass"?
—Oh, I am sorry. [     ]
A. Keep off
B. Keep out
C. Take off
D. Take out
题型:专项题难度:| 查看答案
—Hi, Sam. I didn"t see you last night.
—Oh. We _____ my uncle"s home after supper.[     ]
A. dropped by
B. showed up
C. hung out
D. gave in
题型:专项题难度:| 查看答案
—Excuse me. When does Flight CZ3391 take off?
—One moment, please. I"ll _____ it _____. [     ]
A. look; up
B. take; away
C. give; back
D. turn; down
题型:专项题难度:| 查看答案
—Have you made up your mind _____ the sick kids?
—By singing songs. [     ]
A. what to tell
B. how to cheer up
C. when to help
D. where to look after
题型:专项题难度:| 查看答案
Xiao Li said she would rather _____ join us.

[     ]

A. did not
B. to not
C. not
D. not to
题型:专项题难度:| 查看答案
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