(2014·南昌第二中学高三检测)We must keep our room clean,for dirt and disease go________,you know.
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A
hand in hand 
B
step by step
C
from time to time 
D
one after another
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The classroom is big enough ______, but we’ll have to move if we have more students. 
#28730
A
for the moment
B
on the moment
C
in a moment
D
for a moment
The local people are now________ Hong Kong, which was once ________the British for one and half a century.
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A
in charge of; in charge of
B
in the charge of; in the charge of
C
in the charge of; in charge of
D
in charge of; in the charge of
We are making progress every day in computer science and some of the techniques are ______ very soon. 
#27347
A
on the way out
B
in the way out
C
by the way to
D
on the way towards