Множественное число a baby, a pencil, a man, a stepmother, a sheep

Pencils, mens, stepmother sheep's, babies . Вроде так) Но сомневаюсь с baby

Baby — babies
A pencil — pencils
A man — men (искл)
A stepmother — stepmothers
A sheep — sheep (искл)

A1. Alice dinner tomorrow.

3.Will cook

A2. Cats very well in the dark.

1.See

A3. Peter at the ice rink tomorrow.  

2.Will skate

A4. The boy his homework four days ago.

1.Didn`t do

A5. Next year Kate to London to visit her friends.

2.Will go

A6. Peter never football.

4. Plays

A7. Paul is good at football. But he play very often.

1.Doesn`t

A8. My sister lunch yesterday at six o`clock.

1.Had

A9. I my granny next year.

2.Will visit

A10. For breakfast Sasha two eggs, a sandwich and a cup of tea.

1.Has

A11. Many birds south every summer.

3.Fly

A12. We an essay tomorrow.

3.Will write

A13. Our friends always to the country for the weekend.

1.Go

A14. Last year they at the school sports ground.

4. Have skied

A15. Yesterday John at eight o`clock.

3.Got up

A16. Mark to rock music five minutes ago.

1.Listened  

A17. The puppy with its tail a minute ago.

1.Played

A18. I always Christmas cards to my grandparents.

2.Send

A19. Our granny meat-pies every weekend.

3.Bakes

A20. Last week I at the school sports ground.

4. Jumped

1. Did Ann graduate from the university last year?

Last year Ann didn't graduate from the university.

2. Does Bob know English better than his groupmates?

Bob doesn't know English better than his groupmates.

3. Will the meeting take place at 9 tomorrow?

The meeting won't take place at 9 tomorrow..

4. Was his aim to get higher education?

His aim wasn't to get higher education.

5. Are they good friends because they have common interests and hobbies?

The aren't good friends because they have common interests and hobbies.