【问】 In fact____of the contradictory judgements is valid.

A. some B. each C. every D. both(攻读硕士学位研究生入学考试英语试题，84B)

each和every都作“每一个”解，为什么上面的试题只能选B(each)，而不能选C(every)?

【答】 every只能用作形容词，如every day，every student，而不能用作代词，因此，不能说：ev-ery of the days，every of the students。而each除用作形容词外，还可用作代词。例如：

每个国家都有自己的国旗。

2. At the moment each of the girls was too busy thinking about ____own personal safe-ty to care much about the luggage.

A. her B. their C. his D. our (TOEFL 教程)

each与every的另一个语法上的区别，是each还可用作副词：

1. Give them two each. (ALD)

各给他们两个。

2. He offered me the tin of biscuits and my sister and I had one each.

他把这听饼干给了我，我和我姐姐每人一听。