问题
填空题
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 is 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.
答案
1. invented 2. adjustable 3. mistake 4. century 5. throwing