Помогите пожалуйста.
Complete the sentences with the correct reflexive pronoun. Choose the sentences in which the pronoun means independently.

1. You shouldn't blame___ for not passing the exam. It was very hard.

2. Mike's working part-time. He has to pay for his studies___.

3. Be careful with that knife you don't want to cut ___.

4. I grew these tomatoes____.

5. Nobody helped us, so we had to do it____.

6. Please behave____. You're both being very naughty