In the conference room on the fifth floor, where a meeting__________, some students were busily setting the chairs.
| A．was to be held | B．has been held | C．will be held | D．is being held |
A man does not know the difficulty of anything __________ he does it personally.
| A．although |
| B．if |
| C．because |
| D．unless |
You can borrow my car __________ you promise not to drive too fast.
| A．unless |
| B．even if |
| C．in case |
| D．as long as |
__________ our manager objects to Tom's joining the club, we shall accept him as a member.
| A．Until |
| B．Unless |
| C．If |
| D．After |
One's life has value __________ one brings value to the life of others.
| A．so that |
| B．no matter how |
| C．as long as |
| D．except that |
It's much easier to make friends __________ you have similar interests.
| A．unless |
| B．when |
| C．even though |
| D．so that |