Beethoven was not birth deaf. He began to go deaf, _____ he grew older.
| A．when | B．while | C．as | D．since |
You are saying that everyone is equal, _____ is _____ I disagree.
| A．that; what | B．which; what | C．that; where | D．which; where |
____ their hats into the air, the fans of the winning team let out loud shouts of victory.
| A．To throw | B．Thrown | C．Being thrown | D．Throwing |
_____, the worse I seem to feel.
| A．When I take more medicine | B．The more medicine I take |
| C．Taking more of the medicine | D．More medicine taken |
— They have discussed the problem for hours.
— Have they come to any_____?
| A．end | B．result | C．opinion | D．conclusion |
—Where _____ Mary have put the empty bottles?
— She _____ them away. They must be somewhere.
| A．can; can’t have thrown | B．must; needn’t |
| C．must; must have thrown | D．can; mustn’t have thrown |