The young man got up immediately as the woman got on the bus and let her _______ his seat.
| A．share | B．gain | C．occupy | D．capture |
You seem to have a readymade answer ________ I ask you a question.
| A．whenever | B．whatever |
| C．whichever | D．whoever |
Steve was busy clearing the cups and dishes from the table ________ others were playing.
| A．until | B．if |
| C．since | D．while |
________ it is, the boy never seems to be able to finish it off.
| A．However interesting a book |
| B．Whatever interesting a book |
| C．How interesting a book |
| D．What an interesting book |
The new system needs to be in operation for five months ________ it can be updated.
| A．as | B．while |
| C．before | D．once |
We can't wait any longer ________ we'll miss the plane.
| A．or | B．but |
| C．so | D．yet |