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
—How are you doing all these years, Jim? —Nothing new. Everything is going on _______ it was years ago.
#34375
A
as
B
while
C
when
D
since
It will be several years _______ life in the quake-hit area is back to normal.
#32894
A
before
B
that
C
after
D
since
Leave your key with your neighbor ________ you lock yourself out one day.
#31036
A
as long as
B
even though
C
in case
D
as if