21. Nuzzel helps me _____

22. On twitter I am able _____

23. There are several factors that_____

24. Before my kids go to school, I_____

25. I call my parents_____

A. to listen to others

B. step into my office

C.kiss them goodbye.

D. affect my workout routine

E.to learn how they going

F.to surf the Internet efficiently

1. Some dogs tend to store up more than one bone at the same time.

• A、True
  
  

• B、False
  
  

• C、Not given
  
  

A recent survey finds that 25% of Internet users use public WIFI to

• A、do banking
  
  

• B、buy things
  
  

• C、provide service
  
  

• D、play cards