Years ago we didn’t know this , but recent science______that people who don’t sleep well soon get il

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• The young girl sitting next to me on the plane was very nervous.She ______before.A．hasn’t flownB．did
• Danny _____ hard for long to realize his dream and now he is popular.A．worksB．is workingC．has worked
• Tom with his friends ______ volleyball since three o’clock.A．has been playing B．is playingC．have bee
• Many students stopped to listen to the music as it ______ so charmingly on the piano that it attract
• While you are enjoying yourself in Beijing this time tomorrow, I __my mother do housework at home.A．
• It ______ be better if I could earn enough money to buy a private car.A．willB．mustC．shallD．would-英语
• The proposal I objected to ________finally last night and I did not feel happy about it .A.passing B
• -Car 17 won the race.- Yes ,but its driver came close to ________.A．having been killedB．have been ki
• The discovery of gold in Australia led thousands to believe that a fortune—— A is made B would make
• ．But for the storm, we ______ earlier．A．can arriveB．will arriveC．had arrived D．could have arrived-英语
• .----could you please drive faster. The flight _______- in an hour. ----I’d like to, but you see, we
• When I was a child, my teacher told me that the earth ______round the sun.A．to goB．goesC．has goneD．g
• ―What happened to the old mail carrier?―He _______ to a new neighborhood to work.A．has sentB．has bee
• I wonder what time lunch is_______ in your school.A．givenB．takenC．servedD．eaten-英语
• Do you think that bridge 2,000 meters long? It doesn’t appear___________long.A．measures; thatB．is me
• When you are home，give a call to let me know yousafely． A are arriving B have arrived C had arrived
• Scientific experiments __________ by students without the teachers’ instructions can be dangerous.A．
• —What do you think of our next game?—A bit worried．We ______ it with our two major players injured．A
• ______ that the South African writer John Coetzee won the Nobel Prize in Literature for 2003.A．They’
• The poor little girl_______ so much since her parents died .A．went through B．has gone through C．went
• — Can you answer my question? --Sorry, I____________ . Would you repeat that question?A．hadn’t liste
• ---Peter , where did you guys go for the summer vacation?----We________ busy with our work for month
• --- Were they late for the play? --- Not really. As soon as they ____ themselves in their seats in t
• --- Did you go to London for vacation? --- I _____ to go, but I got sick at the last minutes.A．was p
• Many facts proved that long before Columbus ________ America, Chinese had visited it.A．noticedB．unco
• The moment the earthquake happened，a large amount of help from China __________A．were providedB．will
• ——Have you finished reading Jane Eyre?一N0，I——my homework all day yesterday． A was doing B would do C
• Excuse me I________I was blocking your way.A．didn’t realizeB．don’t realizeC．haven’t realizedD．wasn’t
• Linda make sure the table________before the guests arriveA．be setB．setC．are setD．are setting-英语
• The battle lasted for a few hours and at last the enemy ________.A．was defeatedB．were beatC．were won
• .The Maori ________ in New Zealand for about 1,000 years, but their present lifestyle and culture di
• .The moment I arrived there, I found all the food supplies had ______.A．used upB．ran out ofC．given o
• Can you surprised by the ending of the film?--------NO,I____the book, so I already knew the storyA．w
• — Have you moved into the new house?— Not yet. The rooms ________.A．are paintingB．are being painted
• .All hope of finding the missing plane ______, the relevant authorities declared the crew and passen
• The earthquake in Yushu _______ roughly one month before the second anniversary of the earthquake in
• The suit my sister bought me yesterday__ me.A．didn’t fit toB．wasn’t fitC．didn’t fitD．wasn’t fit to-英
• ---I wonder if she ___ to our party.—I think she’s sure to come if she __ time tomorrow.A．comes,hasB
• She didn’t tell her mother of the great wrong that __ to her the day before.A．doneB．would be doneC．h
• —Not all body language, you know,the same thing in different countries.—Yes. It is said that nodding
• I had thought that he ___ for a least twenty years.A．had been dyingB．had diedC．had been deadD．died-英
• A person without shortcomings just _______. A．isn’t existingB．doesn’t existC．isn’t existedD．isn’t be
• I could have turned to Mr. Smith for help, but he ______ too busy then.A．isB．wasC．should beD．has bee
• I didn’t hear what he was ___.A, telling B. saying C. talking D. speaking-英语
• My toothache is killing me．I _____ it _____ away．But now it’s getting worse and worse．A．think; is go
• — Have you ever visited the Opera House? —Yes．When I was in Sydney, I ______ it twice．A．have visited
• If I _______ you, I would go with him to the party. A．amB．had beenC．will beD．were-英语
• Much of his spare time __ learning how to fix radios.A．spends inB．takesC．is spent inD．is taken to-英语
• The belief that the children of working mothers usually suffer isby most scientists.A．rejectedB．refu
• --- Remember the first time we ______ , Peterson?--- Of course, I ______ . We’ve been close friends