---Do you know __________? ---I’m not sure. Maybe he is a teacher.
Would you like with us?
The glass of the window is broken. Jim, can you __________ who broke it?
The shop ________ from Monday to Friday. It’s ________ at weekends.
It’s late now, but I still have homework to do.
-- your mother free at the weekend? ---No. She has much work to do.