问
（1）The pearls in edible clams and oysters are usually of poor quality and have not commercial worth. (TOEFL)
(2) Not woman held a presidential cabinet position in the United States until 1933, when A B C Frances Perking became secretary of labor. (TOEFL) D
老实说,我看不出上面的试题的错误何在。
答
应当记住,no 是个形容词,可直接放在单数名词或复数名词之前。而 not 是个副词,不能直接放在名词之前,只有借助 a 或 any 才能与名词连用,见下条。
练习
____ social crusade aroused Elizabeth Williams' enthusiasm more than the expansion of educational facilities for immigrants to the United States.
If you have ____ money, you cannot buy ____.