Dogs started to bury their bones when they become pets.

• A、True
  
  

• B、False
  
  

• C、Not given
  
  

Task 1

16. Paragraph ①:_____.

17. Paragraph ②:_____.

18. Paragraph ③:_____.

19. Paragraph ④:_____.

20. Paragraph ⑤:_____. 

A. I do some morning exercise.

B. I phone my parents or sisters.

C. I prepare kids for school.

D. I communicate with others online.

E. I help my kids with their homework.

F. I visit websites to get information

For safety, Internet users are advised to

• A、test shared Internet access
  
  

• B、rely on paid Internet access
  
  

• C、look for free Internet access
  
  

• D、avoid shared Internet access