Read the following passage and choose the correct answer for each gap.

I surf the Internet every day, but I’ve never (26) __________more than an hour at a time online. I’ve got a laptop and also a smartphone, so I can (27) __________the Internet anywhere. Today, for instance, I’ve been (28) __________ three times. Mainly I just (29) __________my friends. I read online magazines and I look (30) __________ information, too. I also compare prices of things, (31)__________ 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 (32) __________. One friend of mine always looks (33) __________because he spends all night online. Although he’s got a lot of bad marks for the exams, he hasn’t (34) __________his habits. In my experience, it’s very useful for people who use the Internet (35) __________.