If you ________ at school, you _______ a college student now.
| A．had studied hard; would have been | B．should have studied hard; should have been | C．had studied hard; would be | D．would study hard; must have been |
Lora，you ____________ leave all your books on the floor like this!
| A．wouldn’t | B．mustn’t | C．needn’t | D．may not |
I must admit you _____________ but I'm afraid the answer is still no．
| A．will try | B．try | C．have tried | D．had tried |
Paul fell down and broke his wrist，____________ was a pity．
| A．which | B．what | C．that | D．it |
—Oh，my God! I've just broken the vase that my mother likes best．
—______________．It can’t be helped．
| A．That’s fine | B．All right | C．Never mind | D．Not at all |
--- Why didn’t you pay the accommodation rent?
--- The rent? ________.
| A．It all depends. | B．It’s up to you. |
| C．You are crazy! | D．That isn’t due yet. |