I don’t know who invented _____digital camera, and it’s really _____ most useful invention.
| A．the; a | B．the; the | C．a; a | D．不填；不填 |
for the terrible accident, as the public thought, the major felt nervous and at a loss what to do.
| A．Having blamed | B．To blame | C．Being to be blamed | D．Being to blame |
Which do you enjoy your spare time, playing cards at home or taking a walk in the park?
| A．spending | B．to spend | C．having spent | D．to have spent |
The party was successful, but we thought it a pity not you.
| A．invite | B．to invite | C．inviting | D．to have invited |
Sunday, rather than at home, I preferred .
| A．It being; say; to travel | B．Being; to stay; to travel |
| C．It being; stay; travel | D．It was; to stay; traveling |
With a lot of problems , the VS troops are having a hard time in Iraq.
| A．settled | B．being settled | C．settling | D．to settle |