Тест " Grammar revision "

Correct a mistake or mistakes in the following sentences

1. We going to pay our bills this Thursday.
2. If you don’t be very attentive at your test, you won’t get a good grade.
3. Mother wonders where does Marl work.
4. Your report is very long and shes report is very short.
5. My article is more interestinger than yours.
6. He asks does my friend like to play football.
7. I don’t know about this situation too.
8. My friends wonders how they can help that children.
9. There are many unique animals in Sahara.
10. I can explain to you these rule.
11. Nobody want to play with me.
12. I will show Sue my room when she will come to me.