(2014·南昌第二中学高三检测)We must keep our room clean，for dirt and disease go________，you know.
#25146
A
hand in hand
B
step by step
C
from time to time
D
one after another
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They have a small apartment______ the third floor of a _____ apartment block.
#25554
A
in ; five- storey
B
on ; five-storey
C
on; five storeys
D
in ; five storeys
Mr．Shaw can’t get promotion ________ his lack of qualifications．
#27540
A
thanks to
B
for
C
because
D
because of
. We can hope ___ the best but we must prepare ____ the worst at the same time.
#27557
A
for; for
B
for; /
C
/; for
D
/; /