--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
Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.
#4678
A
producing
B
having been produced
C
to be produced
D
produced
_________ the fact that he was not a trained economist, his achievements were remarkable.
#4893
A
In spite of
B
In case of
C
In view
D
In favor of
– Lucas is _________. Don’t trust him.-- I cannot believe he ________ to me by making ______ such a stupid excuse. I always consider Lucas as my own brother.
#4613
A
lying; lay; of
B
lieing; lied; up
C
lieing; laid; of
D
lying; lied; up
.What some teenagers don’t realize is ____ difficult life can be if they get addicted to drugs.
#4789
A
how
B
what
C
that
D
why