Complete the key phrases. Then read the model
text again and check.​

1.In my experience the internet is not the only addictive activity.

2.I've seen people can be obsessive about anything.I think it is a more serious addiction.

3.The problem is that people can go online anywhere at any time.

4.For this reason,I think it is a more serious addiction.In my opinion,the real problem is with the person,not with the activity.