Воткните недостающую буковку _am

I am.

Am is one of the forms of the auxiliary verb to be. Am is used only with the first person singular. The pronoun of the first person singular is I.

I am a doctor.

I am in the classroom.

I am seven years old.

I am in London.

I am reading a book now.

I am swimming in the river now.

I am watching a cartoon now.

I am English.

I am in a hurry.

I am cold.

I am hot.

I am near your house.

I am not at home. 

I am at school. 

I am a good cook.

I am a teacher.