I'm sorry you've been waiting so long，but it'll still be some time ________ Brian gets back.
#30681
A
before
B
since
C
till
D
after
推荐题目
She thought I was talking about her daughter in fact，I was talking with my daughter.
#30615
A
whom
B
where
C
which
D
while
The agent was about to sign his name to the document ________，to our surprise，a stranger broke in to prevent him.
#30223
A
while
B
when
C
as
D
until
For a person with reading habits, a printed page contains not only words ________ ideas, thoughts and feelings.
#80293
A
yet
B
and
C
or
D
but
An independent traveler would like to struggle with maps and signs ____ he finds the way．
#31222
A
since
B
until
C
before
D
when