288. Astronomers and scientists think thata black hole is a region of space _____ which matter has fallen and _____ whichnothing can escape.
A. into; from B.towards; towards C.out of; from D.through; through
287. We all do more speaking more speaking_____, even when we have a break after class.
A. now and then B.by and by C.step by step D.more or less
286. During the test we were supposed tostay in our seats, keep our eyes on our work, _____ to anyone.
A. but could not talk B. instead ofspeaking C. rather thanspeak D.and not speak
285. _____ so much electrical equipment,wood and paper in one place, there a danger of fire.
A. For B.In C.with D.By
284. He will pass two milestones _____,that is, he will receive his master’s degree and find a challenging job.
A. long ago B.for long C.before long D.long before
283. The president’s speech was _____boring; it is, in fact, rather inspiring and interesting.
A. anything but B.nothing but C.no more D.all but
282. Among the films being nominated(提名) _____ directed by Zhang Yimou.
A. is a popular film B.is as popular C.a popular film D.one is popular
281. Jason has been preparing carefully forhis English examination so that he could be sure of passing it at his first_____.
A. purpose B.desire C.attempt D.intention
280. _____ a fire, hotel guests are askedto remain calm.
A. As a result of B.In the event of C.By reason of D.In the time of
279. The study you have been making _____ theancient Chinese characters is an instructive job.
A. to B.for C.of D.from
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