I'm sorry you've been waiting so long，but it'll still be some time ________ Brian gets back.(2008·北京)
#30452
A
before
B
since
C
till
D
after
推荐题目
—My son is addicted to computer games. He is hopeless, isn't he?—Yes, _____ he is determined to give up and start all over.
#31438
A
if
B
when
C
even if
D
unless
____ I say Clancy is a smart boy, he still needs to work hard to achieve his goal．
#32619
A
Then
B
When
C
While
D
As
Would you like a cup of coffee ______ shall we get down to business right away ?
#79774
A
and
B
then
C
or
D
otherwise