He looked quite healthy though he was ____.
| A．in seventy | B．in his seventies | C．at seventies | D．age of seventy |
What a pity it was that the film star died from an accident __________ his film unfinished.
| A．for |
| B．with |
| C．from |
| D．of |
__________ the train arrived, some people were waiting inside the station __________ others were heading for the platform.
| A．While ； while |
| B．While ； when |
| C．When ； when |
| D．When ； while |
It was __________ fan that we couldn't hear anything.
| A．so noisy |
| B．such noisy |
| C．such a noisy |
| D．so a noisy |
Gunpowder,__________ we all know, was invented in ancient China.
| A．it |
| B．which |
| C．as |
| D．that |
Strong typhoons hit this area very __________. Normally, they form and come here between July and August every year.
| A．generally |
| B．regularly |
| C．usually |
| D．suddenly |