--- Who’s singing in the bathroom?--- It ________ be Mr. Brown. Nobody sings like that except him.
The weather in Beijing is different from______ in Suzhou.
Jim, ___ read books while you are walking in the street. It’s very dangerous.
The children enjoyed_______ very much last night.
Shanghai is bigger than_____in Jiangsu and bigger than______in China.
- ______ exercising, and you'll be healthier.