Shall Mary come to the concert with us？－Not she has finished her paper．
#80489
A
since
B
once
C
when
D
unless
推荐题目
The police set about arresting the suspect ______ they found enough evidence to prove him guilty.
#33545
A
immediate
B
as long as
C
the moment
D
as far as
“Would you mind my sitting here with you?” “No, ______ you aren’t too noisy.”
#34701
A
when
B
if
C
unless
D
as soon as
You can make a complaint to the local government ___ you are happy with the way they deal with the matter.
#31633
A
unless
B
if
C
once
D
as
We admire this family, ______ the parents treat their child like a friend.
#31077
A
why
B
which
C
where
D
that