No free plastic bag in the supermarket helps to _____ white pollution.
—I didn’t see you when I went to your office yesterday afternoon. Where were you?—I ____ a meeting in the meeting room.
She raised her voice to make everybody in the room ____ her clearly.
— ____ you sing the English song?— Yes, I can.
— Jenny, I need some milk.—OK, Mum.____ do you need?
I got up late yesterday, ____ I had to take my breakfast with me on the bus.