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room. a.sensible b.sensitive c.sensing d.sensed 23.not until recent years _________a popular means of communication. a.e-mail BECame b.e-mail has become c.did e-mail become d.will e-mail become 24.mobile phones have proved to_________with flight instruments and have a negative effect on flight safety. a.interfere b.disturb c.interrupt d.trouble 25.although there are many predictions about the future，no one knows for sure_________the world would be like in 50 years. a.how b.that c.which d.what 26.the bank manager asked his assistant if it was possible for him to_________the investment plan within a week. a.work out b.put out c.make out d.set out 27.i was speaking to ann on the phone about our tour plan _________ suddenly we were cut off. a.that b.while c.before d. when 28.television will provide information on prices at the nearby shops _________news and entertainment. a.as many as b.as far as c.as well as d.as long as 29._________，the researchers cannot concentrate on that very precise experiment. a.with you standing there b.on your standing there c.you are standing there d.you stand there   |
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