They kept trying _____ they must have known it was hopeless.
#34704
A
if
B
because
C
when
D
where
推荐题目
You said boys were cleverer than girls. That is _______ I disagree.
#34321
A
what
B
where
C
which
D
why
Future agriculture should depend on high technology __________ traditional methods.
#32826
A
as good as
B
as far as
C
as well as
D
as long as
_____ you have worked out the first problem, you may go on to work on the second.
#31378
A
Even if
B
Unless
C
Now that
D
Though
Mencius believed that the reason man is different from animals is man is good.
#33049
A
that; that
B
why; because
C
why; that
D
which; that