David is ____ student in our class. Nobody is taller than him.

Let me teach you how to download music from the Internet. — Teach me? ______! I know how to do it earlier!.

I hear Yang Yan made an English speech at the graduation —ceremonyyesterday. _______and_______[ ]

I am hungry. I need ________ bread.

_______ does your mum usually go to work?—She usually goes to work at 7: 30. [ ]