— The classroom is ______ clean ______ it was yesterday.— Sorry, I forgot to clean it.
The children enjoyed_______ very much last night.
Shanghai is bigger than_____in Jiangsu and bigger than______in China.
- ______ exercising, and you'll be healthier.
There______ a sport meeting in our school this weekend, isn't there?
- Don't forget to bring your homework here tomorrow. -_______.