When I was a kid, my mother told me if I could not be a good loser, _____ there’s no way I could be a good winner.
| A．and | B．so | C．or | D．then |
Though I have often heard this song _______. I have never heard you _______ it.
| A．being sung, sang | B．sang, singing |
| C．sung, sing | D．to be sung, to sing |
Tony was very unhappy for _______ to the party.
| A．having not been invited | B．not having invited |
| C．having not invited | D．not having been invited |
The research is so designed that once _______ nothing can be done to change it.
| A．begins | B．having begun |
| C．beginning | D．begun |
After graduation she reached a point in her career __________ she had to decide what to do.
| A．that | B．what |
| C．which | D．where |
Edward, you play so well. But I ________ you played the piano.
| A．didn’t know | B．hadn’t known |
| C．don’t know | D．haven’t known |