根据句意及汉语提示，写出各单词的正确形式，每空一词。
She has never made so many      (错误) in answering such easy questions.
With the      (发展) of modern medicine, more and more diseases can be cured.
I don’t like      (两者之一) of the shopping bags because both of them are too large.
APEC(亚太经合组织) is a big organization of      (亚洲的) countries and regions.
Our school      (取消) many old rules last week. It makes us students excited.