The scientists have made an exhaustive study of the virus _______ many people have been inflected.
| A．to which | B．in which | C．with which | D．for which |
The speech by the mayor of Shanghai before the final voting for Expo 2010 is strongly impressed my memory.
| A．to | B．over | C．by | D．on |
It is raining .
| A．big | B．great | C．heavily | D．hardly |
When I went up, saw the baby awake.
| A．wide | B．completely | C．very | D．quite |
This new type of TV set is very thin, and it is than a one-hundred-page book.
| A．less | B．not thinner | C．no thicker | D．no thinner |
Jack’s brother is than him.
| A．old; elder | B．elder; older | C．old; eld | D．elder; younger |