There were no tickets for Friday’s performance.A. usefulB. availableC. helpfulD. reasonab

问题补充：

There were no tickets for Friday’s performance.

A. useful

B. available

C. helpful

D. reasonable

答案：

A. useful

(答案→)B. available

C. helpful

D. reasonable

解析：形容词辨析。A有用的；B存在的，有空的，可利用的；C有助的；D合理的。句意：星期五表演的票没有了。