Complete the blog with the correct option, A, B or C.

Social media can be fantastic, but I think you 1. _____________ follow a few basic rules.

Firstly, you 2. _____________ always be fair. You 3. _____________ agree with everyone,

and you 4. _____________ even like them, but you 5. _____________ be respectful of other people’s opinions.

Secondly, you 6. _____________ post unkind messages or cyberbully anyone. It 7. _____________ be complicated

– it’s just like everyday life! Oh, and finally, you 8. _____________ upload photos of people without their permission.

1. A mustn’t     B don’t have to     C have to
2. A must         B mustn’t             C needn’t
3. A have to     B don’t have to     C mustn’t
4. A needn’t     B mustn’t             C have to
5. A mustn’t     B must                 C don’t have to
6. A needn’t     B don’t have to     C mustn’t
7. A must         B mustn’t             C needn’t
8. A mustn’t     B needn’t             C have to