—Are you going to stay overnight? —Not _____ it’s really necessary．
#32423
A
unless
B
if
C
until
D
since
推荐题目
The owner of the house moved to west Beijing last month, which is ________ he decides to sell this house.
#30056
A
why
B
when
C
where
D
how
We were going out for a Christmas meal together ____ the accident happened.
#31697
A
unless
B
until
C
while
D
when
In time of serious accidents, ________ we know some basic things about first aid, we can save lives.
#30162
A
whether
B
until
C
if
D
unless
------“The Leaning Tower of Pisa must be saved, __________ the cost.”------“But Italy is now deep in the European Debt Crisis. It would be unlikely __________ its government hoped to ”
#31600
A
however, even though
B
whatever, even if
C
whoever, as if
D
whichever, as though