-----How long do you think it will be _____man can finally solve the problem of cancer?------Well．it depends．
#30201
A
when
B
until
C
after
D
before
推荐题目
My last lesson in French! I hardly know how to write, _______ I would never learn now .
#79902
A
but
B
and
C
if
D
so
It was several minutes _______ we realized what was happening~our dog was trapped in a newly-dug tunnel.
#30391
A
since
B
before
C
until
D
while
---What did your mother say on the phone just now? --- She asked me _____ I was getting on well with my new classmates.
#33947
A
that
B
if
C
how
D
what
Mencius believed that the reason why man is different from animals is______Man is good.
#32084
A
that
B
what
C
why
D
whether
___ the temperature might drop, coal was prepared for warming.
#31244
A
To consider
B
Considered
C
Considering
D
To be considered