Употребляйте подчеркнутые существительные в форме единственного числа 1 my friends are pupils . 2 her sisters are teachers. 3 my uncles are drivers. 4 her sons are doctors. 5 my brothers are engineers.

1 My friend is a pupil .
2 Her sister is a teacher.
3 My uncle is a driver.
4 Her son is a doctor.
5 My brother is an engineer.

Friend is, sisters are, uncle is, son is, brother is