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