We must keep our room clean. Dirt and disease go , you know.
#83346
A
from time to time
B
hand in hand
C
step by step
D
one after another
推荐题目
As a senior high student, you should your energy on how to master the skills of learning.
#68856
A
impress
B
spend
C
concentrate
D
use
The little girl can ride a horse and swim, and she can shoot ________.
#64048
A
as well as
B
as well
C
either
D
too
More attention must be paid _________ the endangered animals..
#65200
A
to protecting
B
protect
C
to protect
D
protecting
—Not getting that job was a big let-down. —Don’t worry. Something better will ____.
#81887
A
come along
B
take on
C
go by
D
fall behind