11. ________ our football team failed in the match, we did our best.
A. Though
B. But
C. Because
D. As
12. It was very late, _______ the students still went on repairing their desks and chairs.
A. and
B. or
C. so
D. but
13.—You’d better remember what I said yesterday, _____ others will laugh at you.
—Sure. I’ll do it _____ you told me.
A. or; as
B. and; as
C. or; after
D. and; after
14. I won’t believe you _______ I see it with my own eyes.
A. if
B. when
C. until
D. while
15. I must finish the work ______ I go home.
A. before
B. when
C. until
D. if
参考答案：1～5 BAABD 6～10CAAAC 11～15 ADACA
