Nowadays, most young people enjoy ______ on the Internet.
| A．chat | B．to chat | C．chatting | D．chatted |
Thousands of people blocked the street，________ against the new law.
| A．stopping |
| B．protesting |
| C．purchasing |
| D．performing |
Shortly after the accident，two ________ police were sent to the spot to keep order.
| A．score of |
| B．scores of |
| C．dozens of |
| D．dozen of |
Suddenly my friend noticed another classmate passing by the restaurant and he________to stop him.
| A．rose to the feet |
| B．rose to his feet |
| C．raised his feet |
| D．rose on his feet |
She________Japanese when she was in Japan.Now she can speak it freely.
| A．picked out |
| B．made out |
| C．made up |
| D．picked up |
Care should be taken at all times to________the instrument from dust and damp.
| A．separate |
| B．protest |
| C．divide |
| D．protect |