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
4 You will succeed in the end ____ you give up halfway.
#80147
A
even if
B
as though
C
as long as
D
unless
One reason for her preference for city life is she can have easy access to places like shops and restaurants.
#31470
A
that
B
how
C
what
D
why
The medicine works more effectively ______ you drink some hot water after taking it.
#79814
A
as
B
until
C
although
D
if
At school, some students are active ______ some are shy, yet they can be good friends with one another.
#32248
A
while
B
although
C
so
D
as