They kept trying _________ they must have known it was hopeless.
#79919
A
if
B
because
C
when
D
where
推荐题目
I can’t help being touched_____ I see the photo of the little Afghan girl crying over her mum’s body
#34242
A
each time
B
at each time
C
each time that
D
each time when
Have you noticed the problem ________ he is now in low spirits？________ come?
#30464
A
where；What
B
that；How
C
in which；For
D
what；As
---I think it’s going to be an argument.（争论）---Yes, it could be.---I wonder ______we can do .
#31295
A
what
B
how
C
when
D
whether
Everyone knows, perhaps except you, _______ your girl-friend is a cheat.
#34713
A
who
B
which
C
that
D
what
(2013·河南开封四模)One more week, ________ we will accomplish the task better.
#30550
A
or
B
but
C
unless
D
and