Today the forests are getting fewer and fewer. We must ______ down too many trees.
#55462
A
keep people from cutting
B
prevent people from cutting
C
stop people cutting
D
all the above
推荐题目
I _____ the book for two weeks. I must return it to the school library. 
#52570
A
borrow
B
have borrowed
C
kept
D
have kept
Teenagers must_______ the computer games.
#56268
A
stay away from
B
take away from
C
take off
D
put away
Most of _____ fly to the south when winter _______ .
#54547
A
they , comes
B
them , come
C
them , comes
D
them , came
 ____________his poor English, I’m afraid he can’t make himself ________ if he goes to America alone.
#52355
A
Because of, understood
B
As, to understand
C
Because, understand
D
Because of, to understand