278. The rain was heavy and _____ the land was flooded.

　A. consequently B. constantly C. continuously D. consistently

277. She got married although her parents had not given her their _____.

　A. allowance B. consent C. permit D. appreciation

276. There is not much time left; So I'll tell you about it _____.

　A. in detail B. in brief C. in short D. in all

275. The driver can adjust the heating in winter and the air conditioning in summer to suit his own _____.

　A. leisure B. preference C. convenience D. selection

274. She felt _____ of having asked such a silly question when the audience couldn't help laughing.

　A. guilty B. crazy C. miserable D. ashamed

273. After a short holiday, he _____ himself once more to his studies.

　A. applied B. converted C. engaged D. exerted

272. The family is a cooperative enterprise for which it is difficult to _____ rules, because each family needs to work out its own ways to deal with its own problems.

　A. set up B. put down C. keep up D. lay down

271. Although hehasn't any formal qualifications, Betas _____ to do well for himself.

　A. managed B. succeeded C. arranged D. convinced

270. John always tries to _____ people who are useful to him professionally.

　A. develop B. provoke C. correspond D. cultivate

269. What a terrible experience! _____ , you are safe, that's the main thing.

　A. Somehow B. Anyhow C. Somewhat D. Anywhere