The students are well the exam. They are sure to get good marks.A. prepared forB. ready

问题补充：

The students are well the exam. They are sure to get good marks.

A. prepared for

B. ready for

C. prepared

D. preparing

答案：

(答案→)A. prepared for

B. ready for

C. prepared

D. preparing

解析：动词辨析。学生们为考试准备的非常好。他们确信能取得好成绩。Ready for不能用well修饰，be prepared for sth为……准备好，故选A。