–May I go to the concert with you?– I’m afraid not ______you have a ticket, because I have only one.
#56155
A
since
B
if
C
unless
D
though
推荐题目
---- Don’t play with the knife, _______ you’ll cut yourself.----Sorry, I_________ .
#55311
A
so, can’t
B
and, won’t
C
or, don’t
D
or, won’t
