This is emma. in my class. this is me. am 14 years old. this is my school. is hillside secondary school. this is my teacher. is very nice. нужно что - то поставить.

1)she
2)I
3)it
4)he

This is Emma. She is in my class.
This is me. I am 14 yes old.
This is my school. It is Hillside Secondary School.
This is my teacher. He/She (в зависимости от пола учителя муж/жен) is very nice.