What are the advantages and disadvantages of SN sites? 

 The advantages of SN sites are that they are great to keep in touch with friends. You can help out people. They’re useful for events and educate yourself. As for the disadvantages, people can steal your identity and they are time-consuming.

Do you think the mobile is a useful invention?

The mobile is a useful invention because you can learn from the internet and keep in touch with your friends. The mobile phone can remind you of appointments you have and it's a good way to entertain yourself. The mobile is useful in case of emergencies.

LADKI Aya 3ème 4