It will be many years ______ the doctors and medical scientists can find _____ for cancer.
#33643
A
since; cures
B
when; treatments
C
before; cures
D
until; treaments
推荐题目
That’s all for the introduction to your arrangements these days. So now ______ there are any questions, I’d like to go ahead and start the first video.
#31607
A
if
B
unless
C
until
D
though
a bad habit is formed, it will take a long time to get rid of it.
#32445
A
Ever since
B
While
C
Once
D
Even if
________ I’m __________ about the work. I’m not strong enough for it.
#32851
A
since…bored
B
however… exhausted
C
Not that… particular
D
Now that…tired
It sounds like something is wrong with the car’s engine. _____ , we’d better take it to the garage immediately.
#31884
A
Otherwise
B
If not
C
But for that
D
If so
Personally I prefer to stay up ______at night, but not ______I’ll have to drive to work the next day.
#34124
A
deeply, while
B
deep, unless
C
far, because
D
late, when
