we should exploit the Antarctic’s natural resources is open to discussion.
#32820
A
What
B
Whether
C
If
D
That
推荐题目
____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
#33730
A
While
B
As
C
Because
D
If
I think going swimming in my spare time, _____ I think is great fun and good exercise as well as a useful skill.
#34727
A
which
B
as
C
that
D
what
Mr. Li, leader of the team, always think of _______ he can do more for his teammates.
#32037
A
what
B
that
C
how
D
if
Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
#33827
A
since
B
after
C
unless
D
before
___ she spoke, I ___ realize she was a Japanese.
#79762
A
When, /
B
Until, didn't
C
Before, don't
D
till, didn't