—May I go to the theatre with you?—I’m afraid not ____ you have a ticket, because I have only one.
#36773
A
since
B
if
C
unless
D
though
推荐题目
Before I talked with ______ scientist, I had never met ______ knowledgeable person like him.
#39391
A
a; a
B
the; the
C
the; a
D
a; the
— ______is it from your home to the Summer Palace?— It takes about 20 minutes to go there by car.
#35382
A
How long
B
How soon
C
How much
D
How far