— Excuse me, is there someone in this seat?—_____. A man left his bag here and went to the washing room.I'm afraid so B. I don't think soC. I don't know D. I hope not
Are you ____________ music?
We should learn ____________ each other.
She isn’ t good ___________ maths. Could you help her __________ her maths?
What do you have ____________ supper?
Tom needs some help ________ his homework. Can you help ________?