22. It was there, the police believe, _____ she was able to activate the recorder she kept in her bag.
301. In the middle of last century planes began to be used to transport both passengers and goods. The underlined words means ____.
300. Britain trades with many European countries. This word "trade" means Britain ____.
299. Heal(治愈) ____ , rescue ____, practise humanitarianism(人道主义) is the sacred duty of all the doctors and nurses.
298. If you go to see a doctor, the doctor will have your temperature ____ at first.
297. Just make a decision and ________ it.