It’s _________ for us to finish such a difficult program. We have to say sorry to them.
| A．possible | B．impossible |
| C．interesting | D．different |
Our teacher often advises us __________ computer games a lot.
| A．playing | B．not playing |
| C．not to play | D．to play |
Hush! The baby is sleeping. Please talk _________ than usual or you may wake him up.
| A．quiet | B．more quiet |
| C．quietly | D．more quietly |
---- My mother says that we won’t go on a trip to Hong Kong.
---- _________. You were looking forward to it.
| A．Never mind. | B．Don’t worry about it. |
| C．What a pity! | D．Enjoy yourselves. |
The little girl was very happy ______ her new friend gave her a beautiful present.
| A．but | B．because |
| C．so | D．although |