_________ the internet is _________, I do not think it is a good idea to spend too much time on it.
#34019
A
When ; helpful
B
As ; great help
C
While ; of great help
D
Now ; of no help
推荐题目
A lot of people don’t learn from their mistakes ______ they get hurt.
#31476
A
whether
B
when
C
if
D
unless
The woman was about to open the door ____________ she heard a strange sound from inside.
#32002
A
as
B
while
C
when
D
then
He never thought that his success came ______ he least wanted it.
#31348
A
until
B
since
C
when
D
while