The verb "to be"

Choose the right answer. His son ... a doctor.

Choose the right answer. What ... it?

Choose the right answer. I ... at school. I don't want to go home.

Choose the right answer. He ... such a kind boy.

Choose the right answer. Why ... they here?

Choose the right answer. This ... my test.

Choose the right answer. Why ... he at home?

Choose the right answer. Where ... my dog?

Choose the right answer. My friends ... in the park.

Choose the right answer. I ... a teacher.