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
It is said that Mr. White will ________ Mr. Green in this school.
#67821
A
in place of
B
instead of
C
take the place of
D
take place
After he became conscious, he remembered ______ and_____ on the head with a rod.
#66833
A
to attack; hit
B
to be attacked; to be hit
C
attacking; hitting
D
having been attacked; hit
As soon as Mr. Li came in, he asked Joan to ________ the books around the class.
#81403
A
give up
B
give in
C
give out
D
give off
A healthy life is frequently thought to be _____ with the open countryside and home-grown food.
#67485
A
tied
B
associated
C
involved
D
related