Many citizens urged their government to take measures to _______ their carbon emission to reduce greenhouse effects.
#65407
A
cut off
B
cut up
C
cut out
D
cut down
推荐题目
Go back home now, Mary. Your parents ______ your safety.
#63864
A
are concerned about
B
are concerned with
C
are concerned on
D
concern of
The students are _____ to hand in the exercises before class. 
#81685
A
wished
B
hoped
C
enjoyed
D
promised