Look at the traffic signs. make sentences with you must/mustn't and these words

1. there is a big window in my bedroom.

2. there are no pantries in our house.

3. he shares his room with a friend.

4. is there a hall in his flat?

5. have you got a room on your own?

listen, ivan singing in the room.

he doesn't see that i look at it, as he reads something with a great interest.

call him now. i think that he doesn't sleep yet.

look at the person who sits at a window. he/she is our lawyer.