-Simon, it's time to go to bed. -OK , Dad. _______.
— What did Tina say? — Sorry, I didn’t what she said.
— Are Jiangsu and Zhejiang famous for silk? — I think so. I know, more than half of the silk in China is produced in Jiangsu and Zhejiang.
— Sorry, but I didn’t quite understand what you said. Would you please it? — OK. It’s andy19840313@126.com.
—What do you usually do in the morning? —I often practice English.
In those days bikes were not ______ used because few people could afford (负担起) to buy one.