Unit 9单元测试题一、根据开头字母，补全单词1. Do you know who the computer was i _by?2. The seat belt on a plane are a _.3. It was a big m_ to leave my umbrella at home.4. A c_ is a hundred years.5. Boys, stop t_ stones to the poor dog.二、词汇A)根据释义，写出单词。 1. r _ _ _ make a clear sound 2. r _ _ _ move or go suddenly 3. l _ _ _ close something with a lock 4.w_ _ _ _ _ _ _ to or at whatever place5. d _ _ _ _ _ _ _ _ say what
