With so many people __________ by sending E-mails every day, it will become more and more important to have a good knowledge of the Internet.
| A．communicating | B．communicated |
| C．communicate | D．to communicate |
In general， the old man is generous. But ____， he was mean to an old beggar.
| A．at once | B．once again | C．for once | D．once over |
He was left _____, with no one ____ after him.
| A．alone; looking | B．lonely; looked | C．lonely; looking | D．alone; looked |
The reporters have found out ____ it was _____ saved the little girl.
| A．who; who | B．who; that | C．whom; that | D．whom; who |
The experts are trying to find ways of ____ the animals in danger.
| A．rescuing | B．dragging | C．seizing | D．watching out |
Tom, as well as the other children who ____ no parents, ____ good care of in our country.
| A．have; is being taken | B．have; has taken |
| C．has; have been taken | D．has; are being taken |