101. quite, rather　　

quite 完全地，相當(dāng)于completely，例：quite impossible
rather 修飾比較級(jí)

102. happy, glad　　

happy 高興，幸福，定表均可，例：a happy girl
glad 高興，只能做表語

103. instead, instead of　　

instead 是副詞，放在句首或句末，例：He didn't see a film. Instead he watched TV.
instead of 是介詞短語，放在句中，例：He watched TV instead of seeing a film.

104. too much, much too　　

too much 后接不可數(shù)名詞；
much too 后接形容詞，例：much too heavy

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

be about to 表最近的將來，后面不接時(shí)間狀語；
be going to 側(cè)重打算，想法；
be to do 側(cè)重意志，計(jì)劃，安排 例：I'm to meet him.（含雙方事先約好的意思）