Most whales must come up for air after several minutes, _______ a few can stay under water for an hour or more.
| A．while | B．or | C．for | D．so |
_____ the moonlight they cooked the meat _____ an open fire.
| A．To; over | B．From; in | C．In; near | D．By; on |
If you _____ finished, I’ll start clearing up.
| A．more or less have | B．more and less have |
| C．have more or less | D．have more and less |
When and where to build the new factory ______ yet.
| A．is not decided | B．are not decided |
| C．has not decided | D．have not decided |
-----I’m going to Beijing nest week. Do you have anything _____ there?
------ No, but thank you all the same
| A．taken | B．to take | C．taking | D．to be taken |
I need one more stamp before my collection ______.
| A．had completed | B．completes |
| C．has been completed | D．is completed |