In much of the animal world, night is the time ______ for sleep—pure and simple.
#13852
A
set aside
B
set down
C
set off
D
set up
推荐题目
The school is so poorly equipped that the students here have no ______ to good resources for learning at all.
#10872
A
ambition
B
access
C
entrance
D
qualification
Just as a famous Chinese saying goes, a timely heavy snow is a ______ of good harvest next year.
#14427
A
mark
B
track
C
sign
D
appearance
If better use is ____ your spare time , you will make greater progress.
#14296
A
used for
B
spent
C
made of
D
taken
If you sit in an office all day long and rarely _____, you’re likely to suffer from neck andback pains.
#13485
A
cut in
B
work out
C
break down
D
stay up