Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.
#99319
A
break down
B
cut in
C
cut down
D
cut off
推荐题目
We had hoped to catch the 10：20 train, but _____ it was gone.
#103722
A
found
B
had found
C
would find
D
would have found
—Tony, come down and help me with the heavy box! — Come on! I _______ all day long．Get Peter to do that!
#101754
A
work
B
had been working
C
had worked
D
have been working
The teacher tells his students to read the novel over and over again until they ______ it.
#104143
A
understand
B
understood
C
have understood
D
have been understood
We _____ to move but are still considering where to go to.
#104481
A
are deciding
B
decided
C
have decided
D
had decided
Jackson returned to Seattle for a while, ______ to Canada, and worked a few jobs there before heading for New York .
#100750
A
moving
B
moved
C
being moved
D
having moved