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

I go on the Internet every day, but I’ve never (11) __________ more than an hour at a time online. I’ve got laptop and also a smartphone, so I can (12)___________ the Internet anywhere. Today, for instance, I’ve been (13) ____________ three times.

Mainly I just (14) ____________ my friends. I read online magazines and I look (15) __________ information, too. I also compare prices of things, (16) ___________ 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 (17) ___________. One friend of mine always looks (18) ___________ because he spends all night online. Although he’s got a lot of bad marks for the exams, he hasn’t (19) ___________ his habits.

In my experience, it’s very useful for people who use the Internet (20) ____________.

Câu 11 : (11)....................

A. spend

B. spending

C. spent

D. spends