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
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In the spoken English of some areas in the US，the “r”sounds at the end of the words________.
#99193
A
are dropped
B
drop
C
are being dropped
D
have dropped
----- The windows must have taken you quite a long time that day. ----- Right. They ______ for months.
#102185
A
haven’t been cleaned
B
didn’t clean
C
hadn’t been cleaned
D
haven’t cleaned
It is the first time that I _______ this kind of moon cake.
#101077
A
enjoyed
B
haveenjoyed
C
enjoy
D
had enjoyed
Don't worry. The hard work that you do now ____ later in life.
#101246
A
will be repaid
B
was being repaid
C
has been repaid
D
was repaid