You ______. Don’t talk on the phone.
--- Excuse me, what is on the wall of the classroom? --- Oh, ______ a blackboard , two doors and five windows.
I love my new school because the teachers ________ very kind to me.
---Shall we go shopping? ---Good idea! But the supermarket _______ now.
Do you think Maths ______ useful subject?
---______ Mary happy today? ---I don’t think so. She ______ look happy this morning.