life will continue on the earth for millions of years to come will depend on the problem of pollution can be solved.
#30117
A
How /whether
B
That/that
C
Whether / if
D
Whether / whether
推荐题目
I'll make some sandwiches, just ________ we get hungry later.
#30706
A
even if
B
as though
C
if only
D
in case
The Great Wall is so good a place ________ many foreign people come to visit ________ it has become well known all over the world.
#31924
A
as；as
B
that；that
C
as；that
D
that；as
His failure in the exam was expected. ________, it was still very disappointing.
#32614
A
Nevertheless
B
Furthermore
C
Besides
D
Therefore
__________ attracts movie goers in the film Avatar is its vivid three-dimension effect (三维效果) , grand war scenes and touching love story.
#34283
A
That
B
What
C
Which
D
It
Do you dress differently because of_____you see in ad or buy things you might not_____buy?
#32964
A
which, otherwise
B
that, therefore
C
who, moreover
D
what, otherwise