After hearing the bad news，my parents didn't talk and they finished the rest of their dinner in （沉默）
Mr．Smith，do you think teenagers must be kept away from the Internet？
No，I with this．The internet can help learn more about the world．（agree）
There are ways to stay healthy when seasons change．You should wash your hands ，exercise，eat and sleep well．（careful）
The world's first computers were than cars．（big）
Wow!They used to be so large．
How long does it take you to get to school？
About 20 by subway．（minute）
We can read about everything in books．They provide hope to ．（we）