---- How did you know the surprising news?
---- I happened ____ the event then.
| A．to cover | B．to be covering | C．covering | D．to have covered |
The settlement is home to nearly 1,000 people，many of ________ left their village homes for a better life in the city.
| A．whom | B．which |
| C．them | D．those |
Darwin counted 225 flowering plants，________he collected and brought home 193.
| A．that | B．in that |
| C．of which | D．all of which |
________ was expected，only five people turned up at the party，________ disappointed the hostess very much.
| A．As；which | B．As；that |
| C．It；that | D．It；which |
I have reached a point in my life ________ I am supposed to make decisions of my own.
| A．which | B．where |
| C．how | D．why |
This photo of mine was taken________stood the famous high tower.
| A．which | B．in which |
| C．where | D．there |