He met many problems ______ he was going over his lessons.
#58104
A
before
B
as soon as
C
since
D
while
推荐题目
— Excuse me. Do you have a table for two?— I’m sorry, there aren’t any seats now. Would you mind waiting a while?
#56524
A
so
B
or
C
and
D
but
—Don’t worry! Joe will come here on time. —__________ he won’t come?
#55828
A
Even if
B
Why not
C
What if
D
What about
We just need one of you for the game.youyour brother can join us.
#56734
A
Both； and
B
Neither；nor
C
Either；or
D
Not only；hut also