Question

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.

Answer 1

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.

Answer 2

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