My little cat sleeps ______ the day, but ______ night he begins to work.
#49584
A
at; at
B
on; in
C
on; at
D
during; at
推荐题目
Our Earth will be ________ if we go on cutting down millions of trees every year.
#46202
A
in great danger
B
danger
C
dangerously
D
out of danger