10 номер. под буквой в. помогите пожалуйста!!!

1 We went to the Do-It-Yourself shop to buy some cardboard and paper.
2 He was so tired that he threw himself on the ground and fell asleep in no time. 
3 I am sure you will enjoy yourselves at the concert. 
4 They never let themselves be late for school.
5 She looked at herself in the mirror and smiled.
6 You are so wet! Take the towel and dry yourself quickly. 
7 Don't worry, I will do everything myself.