Activities of the Science Festival _____ model planes and model rockets are flown over the school grounds include the Inventions Show and the Essay Competition.
| A．when | B．which |
| C．whose | D．where |
The Prime Minister refused to comment on the rumor that he had planned to _____.
| A．discharge | B．dismiss | C．resign | D．resume |
John _____ knowledge of radio just by staying around the radio station.
| A．caught on | B．worked up | C．took up | D．picked up |
The _____ of his clothes indicated too clearly that he had been playing football.
| A．state | B．condition | C．occasion | D．situation |
When the entire class worked together they finished the project _____.
| A．in no way | B．in no time |
| C．on no account | D．in no case |
Paper making began in China and from there it _____ to North Africa and Europe.
| A．sprang | B．spilled | C．carried | D．spread |