I was about to give up my effort to solve a problem __________ a good idea struck me.
#30835
A
when
B
while
C
until
D
before
推荐题目
The woman rushed out ________ she felt the house shaking.
#30291
A
until
B
immediately
C
unless
D
before
________ a high percentage of Australians may be people who watch sports rather than do them, as far as most of its population is concerned, it is indeed a great sporting nation.
#33020
A
While
B
as
C
If
D
Whether
My mother is always warning me when I go out, “Don’t get off the bus ____it is stopping.”
#32320
A
until
B
before
C
while
D
After
Susan and I can go to the lecture ___.
#34726
A
but neither can Charles
B
and so Charies can
C
but Charles can’t
D
and Charles also can