Nothing can be done _______ he returns.
#56142
A
as
B
before
C
while
D
until
推荐题目
--_______ will the meeting last? --_______ they reach an agreement.
#55956
A
How long; Not until
B
When; Not until
C
How long; Until
D
When; Until
Many Chinese students think science subjects are ______ foreign languages.
#58582
A
more difficult as
B
less difficult than
C
much difficult than
D
so difficult as
—Would you like to go to see Liu Qian’s magic?--I’d like to, _____ you don’t want to go alone.
#58238
A
before
B
after
C
until
D
if
The policeman is still not sure ______ the young man killed himself or was killed.
#56983
A
if
B
that
C
whether
D
weather