[hung9466]

There are social, medical and technical problems associated with the use of
mobile phones. What form do these problems take? Do problems of using
mobile phones outweigh the benefits?

Attachments:

You must be logged in to view attached files.

[khanhlinhphan357]

Hi Hùng,
Bạn xem nhận xét của mình và có gì thắc mắc thì hỏi mình nhé!
Chúc bạn học tốt!

Attachments:

You must be logged in to view attached files.