Complete the following passage
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 things, (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 lot of bad marks for the exams, he hasn’t (9) ___________ his habits.
In my experience, it’s very useful for people who use the Internet (10) ____________.
Question 9:
A. change
B. to change
C. changes
D. changed