We had to wait half an hour       we had already booked(预定) a table.
#56455
A
since
B
although
C
until
D
before
推荐题目
Beckham stopped playing soccer ______ his bad leg. 
#58493
A
as for
B
because
C
because of
D
as
 My friend has the same haircut _______I do.
#55623
A
as
B
like
C
seem
D
looks like
They will lose the game    they try their best,
#58277
A
unless
B
once
C
since
D
after