All happy families _____ one another, but each unhappy family is unhappy in its own way.

Mr. Green’s daughter has good manners, for she has been well___.

The games _______ the young men competed were difficult

We ______ while Mr. Evan read the exam results.

(2013 ·辽宁五校第一联合体高三考试)It is universally believed that a student with an extremely ________ mind usually gets high scores in the exams, especially in the physics exam.