IV. Choose the best word to complete the passage below.

I go on the Internet every day, but I’ve never ___(1)___ more than an hour at a time online. I‘ve got laptop and also a smartphone, so I can ___(2)___ the internet anywhere. Today, for instance, I‘ve been ___(3)___ three times.
Mainly I just ___(4)___ my friends. I read online magazines and I look ___(5)___ information, too. I also compare prices of thing, ___(6)___ I’ve never bought anything online because I don‘t think it‘s safe. I’m not an Internet addict, but some of my friends ___(7)___. One friend of mine always looks ___(8)___ because he spends all night online. Although he‘s got a bad marks for the exams, he hasn‘t ___(9)___ his habits.
In my experience, it‘s very useful for people to use the Internet ___(10)___.