--What about the protection? ---Let’s keep the surface ____ dirty by putting a cover over it.
#4689
A
far from
B
free from
C
apart from
D
away from
推荐题目
We must keep our room clean, for dirt and disease go______, you know.
#4919
A
hand in hand
B
step by step
C
from time ti time
D
one zfter another
— Why are you so popular with your students?— As a teacher, I seldom give my students so difficult a problem ____ they cannot work out.
#4683
A
as
B
that
C
if
D
which
.She couldn’t ______ the fact that the money was found in his house.
#4763
A
answer for
B
leave for
C
care for
D
account for
_______was not ______she took off her dark glasses _______I recognized her.
#4623
A
It; when; before
B
It; until; that
C
That; after; that
D
This; when; after