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
Unfortunately, when I arrived, Mary , so we only had time for a few words.
#103471
A
was just leaving
B
just left
C
has just left
D
had just left
Kathy told me that all the doors and windows _______ when she arrived this morning.
#101604
A
have cleaned
B
have been cleaned
C
had cleaned
D
had been cleaned
—Tom, you didn’t come to the party last night? —I __________, but I suddenly remembered I had homework to do.
#104599
A
had to
B
didn’t
C
was going to
D
wouldn’t
Mr. Wang ____ two boys to send the sick boy to the nearest hospital
#101645
A
arranged
B
has arranged
C
had arranged for
D
has arranged for
George has arrived, but I did not know he ______ until yesterday.
#103817
A
comes
B
will come
C
is coming
D
was coming