Question

Помогите поставить слова в скобках в активный или пассивный залог
1.Mark speands all his free time online.Don,t you think he (BECOME) too addicted to the computer.
2.It,s not a good idea to display your private information on the Internet . You never know what kind of peple may get to it and how it can  (USE)  by them.
3. The Internet (INVENT) in the twentieth century. It,s difficult to imagin nowadays that only fifty years ago people lived without computers.

Answer 1

1) becomes
2) how it can be used
3) was invented