269. _______

269. The old lady’s j______ were kept in a strong safe as they were very rare.

268. _______

268. The progress of society depends greatly on science and t____.　

267. Our National Day falls on O_______ 1.　　　　　　　　　　　 267. ______

266. D______ people can’t hear.　　　　　　　　　　　　　　　 266. ______

265. He held his b_______ and dived into the water.　　　　　　　 265. ______

264. It’s no use q_______ about it with such sort of a man.　　　　　 264. ______

263. Many lakes and rivers have been p______ by industrial waste.　　 263. ______

262. The great m_____ of doctors believe smoking is harmful to health. But a few

perhaps don’t.　　　　　　　　　　　　　　　　　　　　　 262. ______