Correct the mistakes in the sentences.
1) Has she to mop the floor? -- Does she have to mop the floor?
2) We have to pay for the concert. It's free
3) Does they have to bring dictionaries to school?
4) It's Sunday. Children have to go to school.
5) Do he has to make his bed?
6) You have to eat cereal if you don't want to
7) Do you have to water the plants? Yes, I have.
8) Does Jibek has to do the washing?