It was said was how the Chinese first raised silk worms.
| A．that what |
| B．that which |
| C．that who |
| D．that that |
According to the statistics, young drivers are more ________ to have accidents than older drivers.
| A．possible | B．maybe | C．probable | D．likely |
________, the northerners like noodles while the southerners are fond of rice in China.
| A．In common | B．In general | C．In total | D．In return |
Yesterday, I met my old friend ________, which gave me a big surprise.
| A．in return | B．on purpose | C．by chance | D．in case |
With food, water and electricity ________, the villagers suffered a lot after the earthquake.
| A．cut down | B．cut up | C．cut off | D．cut in |
People in Tibet are ________ than they used to be.
| A．better off | B．worse off | C．well off | D．badly off |