问题
选择题
—Could we go and watch the football game?
—No, ______ you have the tickets.[ ]
A. if
B. unless
C. because
D. since
答案
答案:B
—Could we go and watch the football game?
—No, ______ you have the tickets.[ ]
A. if
B. unless
C. because
D. since
答案:B