—I’d like to book a room for tonight.—Sorry sir but we don’t have any rooms right now.

问题补充：

—I’d like to book a room for tonight.

—Sorry, sir, but we don’t have any rooms right now.

A. unable

B. comfortable

C. available

D. Suitable

答案：

A. unable

B. comfortable

(答案→)C. available

D. Suitable

解析：考查形容词：A. Unable不能，B. Comfortable舒服的，C. Available可利用的，D. Suitable适合的，句意：--我想今晚预定个房间，对不起，现在没有房间（可获得）。选C。