He knew that cholera would never be controlled _____ its cause was found.
#32471
A
till
B
still
C
until
D
kill
推荐题目
When you get on stage for the first time, you may be surprised by ______bright the lights are.
#32177
A
what
B
so
C
how
D
too
____ a computer works is a question ___ not everyone cad answer quickly.
#34313
A
That；which
B
How；that
C
What；which
D
When；that
-What are you going to do this afternoon?-I'll probably go for a walk later on＿＿＿it stays fine．
#29942
A
as far as
B
so long as
C
even if
D
as if
______ he has made a decision, it is not easy for you to make him change his mind.
#31776
A
Though
B
Unless
C
Until
D
Once
She thought I was praising her child，_____，in fact，I was scolding him for his bad behaviors at school.
#31272
A
what
B
while
C
so that
D
therefore