1. Назовите формы глагола «to be» в настоящем продолженном времени:
a. was/ were /been
b. am / are / was
c. am / is / are
2. I … in my room now. There … nobody else here.
a. am / is
b. is / are
c. am / are
3. They ... students. Ben ... a teacher and Sandra ... a secretary.
a. are not / is / is
b. are / is not / am c. isn`t / is / isn`t
c. isn`t / is / isn`t

1 - c, 2- a , 3 - a.