They kept trying _____ they must have known it was hopeless.
#80501
A
if
B
because
C
when
D
where
推荐题目
He looks so weak and pale ________ suffering from a serious illness.
#32549
A
as if
B
as long as
C
now that
D
even if
is widely acknowledged that there is life, there is hope.
#31228
A
It; whether
B
As; whether
C
As; where
D
It; where
So, _____ a high percentage of Australians may be people who watch sports rather than do them, Australia is indeed a great sporting nation!
#30953
A
as
B
when
C
unless
D
while
I’m sorry you’ve been waiting so long , but it will be an hour David gets back .
#31813
A
before
B
since
C
till
D
after