101. quite, rather

　　quite 完全地，相当于completely，例：quite impossible

　　rather 修饰比较级

　　102. happy, glad

　　happy 高兴，幸福，定表均可，例：a happy girl

　　glad 高兴，只能做表语

　　103. instead, instead of

　　instead 是副词，放在句首或句末，例：He didn't see a film. Instead he watched TV.

　　instead of 是介词短语，放在句中，例：He watched TV instead of seeing a film.

　　104. too much, much too

　　too much 后接不可数名词;

　　much too 后接形容词，例：much too heavy

　　105. be about to, be going to, be to do

　　be about to 表最近的将来，后面不接时间状语;

　　be going to 侧重打算，想法;

　　be to do 侧重意志，计划，安排 例：I'm to meet him.(含双方事先约好的意思)