–May I go to the concert with you? – I’m
题型:选择题
问题:
–May I go to the concert with you?
– I’m afraid not ______you have a ticket, because I have only one.
A.since
B.if
C.unless
D.though
–May I go to the concert with you?
– I’m afraid not ______you have a ticket, because I have only one.
A.since
B.if
C.unless
D.though