一、根据首字母及汉语提示,完成下列单词的拼写,使句意明确,语言通顺
1. He takes exercise every day to help c______ () his weight.
2. It is c______ () sense to dress more warmly when it gets cold.
3. Each of the w______ () in the competition can get a special gift.
4. Suzhou is best k______ () for its elegant gardens and beautiful silk.
5. The chairman will p______ () a gold medal to the champion (冠军) tomorrow.
6. You can’t throw s______ () at the window. It’s rude and dangerous.
7. Elephants have their own way to tell the shape of an o______ ().

1. control
2. common
3. winners
4. known
5. present
6. stones
7. object