We have learnt the Instrumental case usage:

1) With+inanimate things: 

Я хочу пиццу с сыром.
I want pizza with cheese.

2) With+person: 

Олег любит гулять с другом.
Oleg likes going out with a friend.

3) to be/become/work as someone:  

Он работает математиком.
He works as a mathematician.

4) to be into something/practice something/to be interested in something:

Он занимается физикой.
He studies physics.

Let’s practice now!

Listen to the audio to hear the correct answers