—How long _______in that company before you work with us?
— For eight years.
| A．were you employed | B．have you been employed |
| C．had you employed | D．will you be employed |
___we admit that there are still some problems about NMET, we don't mean that it is of no use.
| A．Until | B．While | C．As | D．Unless |
—I thought you wouldn’t mind.
—Well, as a matter of fact I _____; but you should have asked me first.
| A．did | B．do | C．won’t | D．don’t |
The newcomer is from Tibet, ________ I can tell from his appearance.
| A．which | B．what | C．where | D．who |
The time is not far away______modern communications will become widespread in China’s vast countryside.
| A．as | B．until | C．before | D．when |
The government has taken some measures to solve the shortage of electricity, but it may be some time ___________ the situation improves.
| A．since | B．when | C．unless | D．before |