—____ can come in. I’m too busy to see ____.
—Ok, I know.
| A．Nobody; somebody | B．Anybody; nobody |
| C．Nobody; anybody | D．Somebody; anybody |
–I won the first prize in English Writing Competition.
--_____________.
| A．I’m sorry to hear that. | B．You’re welcome. |
| C．Thank you. | D．Congratulations! |
Turn the radio ______, please! The baby has just fallen asleep.
| A．up | B．off | C．on | D．over |
At the top of the high mountains, there is very _____ oxygen in the air.
| A．a little | B．little | C．a few | D．few |
Thank you for __________ me to you party.
| A．invite | B．inviting | C．invitation | D．invited |