Failure can make a positive contribution to your life _______ you learn to use it.
#33895
A
since
B
unless
C
until
D
once
推荐题目
“How long have you stayed in this hotel?”“Not long, just ______ this Monday.”
#79915
A
on
B
since
C
until
D
after
You will make much progress in English you work hard.
#33075
A
as far as
B
as soon as
C
as long as
D
as well as
The old man has four sons, and two _____ turned doctors．
#33617
A
of which
B
of whom
C
of them
D
of that
We have to realize: boys share activities, _________ girls share feelings.
#31668
A
while
B
when
C
as
D
since
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