九年级英语Unit 9拓展提高及答案

　　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.单项选择

　　1. The bridge __________ by the farmers themselves in 1982.

　　A. built

　　B. was built

　　C. build

　　D. was build

　　2. All the books will _______ to the children who live in the small village.

　　A. be sent

　　B. sent

　　C. be send

　　D. send

　　3. Keys _______ used for ______ the doors.

　　A. is, opening

　　B. is, opened

　　C. are, opening

　　D. are opened

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