Question

We (am, are) at the lesson. It (are, is) an English lesson. The teacher (is, am) at the table. She (am, is) a young woman. We (is, are) young too. But we (are, is) younger then she (am, is). We (is, are) first-year students. She (are, is) our English teacher. English (am, is) an interesting subject. At our Institute it (is, are) an obligatory subject. At all the Technical Institutes foreign languages (is, are) obligatory. At present it (is, are) necessary to study foreign languages.

Answer 1

We are
It is
The teacher is
She is
We are
we are
she is
we are
she is
languages are
it is