We must keep our room clean. Dirt and disease go _____ you know.
#81542
A
from time to time
B
hand in hand
C
step by step
D
one after another
推荐题目
Why are you so anxious? It isn’t your problem ______.
#81322
A
on purpose
B
in all
C
on time
D
after all
The palace caught fire three times, and little of it______now. 
#65084
A
remains
B
is remained
C
is remaining
D
has been remained
This party is _____ a success _____ the famous actress's absence.
#69436
A
by far; owing to
B
far from; due to
C
above all; because of
D
far away from; thanks to