Although he has become wealthy, Mr. Wood remains _________ he used to be ,modest and friendly .
| A．which | B．where | C．what | D．that |
Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ________ the number of people infected with the virus is going up sharply.
| A．when | B．that |
| C．so that | D．where |
With the development of agriculture, the people ________ village I taught are now living a happy life.
| A．in whose | B．whose |
| C．in which | D．which |
The archaeologists found gold coins and pottery in the lowest level of the site ________ they reached three months ago.
| A．what | B．for which |
| C．that | D．to which |
Gone are the days ________ we spent together in the mountainous village.
| A．when | B．that |
| C．where | D．on which |
________ is known to us all, our government has spared no efforts to control food prices.
| A．What | B．Which |
| C．As | D．It |