—What happened to the ancient town?
— .
| A．It destroyed in the flood | B．The flood was destroying it |
| C．The flood was destroyed it | D．It was destroyed in the flood |
In the dark street, there wasn’t a single person ____ she could turn for help.
| A．whom | B．who | C．to whom | D．form whom |
Is this school ____ we visited three years ago?
| A．the one | B．which | C．that | D．where |
Is this the school ____ we visited three years ago?
| A．the one | B．where | C．in which | D．/ |
How many students are there in your class ____ homes are in the country?
| A．whose | B．who | C．whom | D．which |
Alice received an invitation from her boss, ____ came as a surprise.
| A．it | B．which | C．that | D．he |