__ we are young, we can still do something to help protect the environment.
#58217
A
If
B
Since
C
Because
D
Though
推荐题目
You don’t know how difficult the job is, you have done it yourself.
#55556
A
unless
B
since
C
if
D
because
---I’m going to Hangzhou for a holiday this weekend. --- ___ you are there, could you buy me some green tea?
#55675
A
Because
B
While
C
During
D
As
Most of my friends like driving or riding to work, _________I like walking.
#58515
A
and
B
so
C
but
D
or
He met many problems ______ he was going over his lessons.
#58104
A
before
B
as soon as
C
since
D
while