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Every student in Miss Chen’s takes turns __________ the classroom every day.
#51336
A
clean
B
cleans
C
cleaning
D
for
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 She decided _________ a digital camera.
#51338
A
to buy
B
buying
C
bought
D
buy
She’s not strong enough _________ walking up mountains.
#49279
A
to go
B
going
C
go
D
went
Don’t jump to a conclusion! Let’s _______ the problem first.
#49685
A
discussion
B
discussing
C
discuss
D
to discuss
He promised ______his old friend during his stay in Tianjin.
#49225
A
see
B
seeing
C
saw
D
to see
 You’d better ________late next  time .
#48613
A
not to be
B
not be
C
won’t be
D
don’t be