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https://online2.tingclass.net/lesson/shi0529/0001/1112/tingclass_5537t2o.mp3

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Could you come and help me mend the computer, Neel?

What's wrong with it?

I can't log on the internet again.

Let me see. Did you change anything on your computer?

No, never.

What kind of anti-virus software do you use?

I don't have this kind of software.

Are you kiding? You have to install an anti-virus software on your computer. If not, you will be attacked by viruses, and it can lead your computer into failure.