I __________ her since I left my hometown 3 years ago.
| A．have not seen | B．did not see |
| C．was not seeing | D．never saw her |
You must learn to consult your feelings and your reason________you reach any decision.
| A．although |
| B．before |
| C．because |
| D．unless |
Mark needs to learn Chinese________his company is opening a branch in Beijing.
| A．unless |
| B．until |
| C．although |
| D．since |
She says that she’ll have to close the shop ________ business improves.
| A．if |
| B．unless |
| C．after |
| D．when |
I don’t believe we’ve met before，________I must say you do look familiar.
| A．therefore |
| B．although |
| C．since |
| D．unless |
He smiled politely ________ Mary apologized for her drunken friends.
| A．as |
| B．if |
| C．unless |
| D．though |