Сокращенная форма глаголов. 1) he has got a book 2) he is from Russia 3) I am not his friend 4) they have got a house 5) we are at school

Сокращённые формы (contractions) в английском:

1. he has got a book → he’s got a book

2. he is from Russia → he’s from Russia

3. I am not his friend → I’m not his friend (возможен вариант: I’m not his friend — самый обычный)

4. they have got a house → they’ve got a house

5. we are at school → we’re at school