Parents have a duty to ____ their children from the harmful effects of the Internet. 
#70105
A
hide
B
prevent
C
stop
D
protect
推荐题目
I haven’t seen you for ages. How are you ______ with your English study?
#71548
A
holding on
B
going on
C
keeping on
D
getting on
These doctors are busy day and night,        a cure for AIDS.
#70989
A
bringing on
B
pulling on
C
taking on
D
working on
We firmly believe that war never settles anything.It only       violence.
#69503
A
runs into
B
results in
C
results from
D
runs out