The verb "to be"

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

Choose the right answer. She ... such a clever girl.

Choose the right answer. These oranges ... tasty.

Choose the right answer. We ... in Spain.

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

Choose the right answer. These ... my dogs.

Choose the right answer. This house ... mine.

Choose the right answer. I ... at school now.

Choose the right answer. I ... her mother.

Choose the right answer. This picture ... wonderful.