.Getting to other planets or to the moon _____ many problems.A．involveB．involvesC．involvingD．to invo

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• .Early to bed and early to rise ______ a man healthy, happy and wise.A．makingB．to makeC．makeD．Makes-
• Tom __ study as hard ad Jane.A．does notB．do notC．have notD．had not-英语
• I knew I could not finish the homework _____. A．by the time he had come B．before he came C．until he
• 185. Hello! I_______ you _______ in London. How long have you been here?A．don't know…wereB．hadn
• Don’t forget it’ll be the first time ____ in public.A．I’ve spokenB．I shall speakC．I will speakD．I sp
• 20．---We’d like a standard room, please. ---I’m sorry. All but two single rooms with Internet access
• I'd like to have visited the Palace Museum last week, but something unexpected _____to my fathe
• He started early so that he_____there in time.A．could getB．gotC．had gotD．would have got-英语
• If you_____this experiment you will understand the theory better.A．will be doingB．have doneC．will ha
• __ Jane often do her homwork after supper?A．DoB．IsC．DoesD．Shall-英语
• 22. The law in almost all states used to require stores to close on Sunday, but now in most states,
• — Why? Tom, your shirt is so dirty!— Mum, I _____ my storeroom downstairs。A．cleanedB．have workedC．w
• —Where is Peter? —He _____ to Shanghai. A．went B．had gone C．has been D．has gone-英语
• 178. My brother has _____ the army for more than five years.A．joinedB．been inC．joined inD．taken part
• .When the American constitution ______into effect in ,it didn’t contain any words guaranteeing the b
• 35．The highest award was given to Anna, who_________so hard on the project for years, and at last he
• We ___ have a football match if it ___ not rain.A．shall… isB．shall… doesC．will..is notD．will…was-英语
• 26．—Can you attend the party tomorrow，Tom? —I can when my headaehe_________completely．A．will have di
• 35. — Have you finished your essay?— Half when you come back.A．has been doneB．will have been doneC．h
• — I’m sorry, but I shouldn’t have been so rude to you.— You _____ your temper but that’s OK.A．have l
• 171. We'll hold a sports meet in our school if it __________ next weekend.A．doesn't rainB．
• I haven’t seen her _____. A．two weeks agoB．since two weeks C．for two weeks D．before two weeks-英语
• . ------Flight to London_______ until : tomorrow morning.-----No wonder I hear so many complaints fr
• 25．In the conference room on the fifth floor, where a meeting_________, some students were busily se
• I ___ here on time tomorrow.A．areB．will beC．am going toD．was-英语
• I wonder if he_____us, and I think if he_____us we’ll be able to complete the task ahead of time.A．h
• There is a saying that"Never put off until tomorrow what you can do today."A．will goB．has
• 30. —I _________ his telephone number. —I have his number, but I _________ to bring my phone book.”A
• .A number of cars ______ in front of the parkA．is parkedB．was parkedC．are parkedD．has parked-英语
• — It is said that another new car factory _____ now.— Yeah. It _____ one and a half years.A．is build
• 44. He must be getting thin, for his trousers _____ badly like a flag in the wind.A．are flowingB．flo
• . ---- I’ll be able to come to see your performance at : tomorrow evening.---I’m sorry, by then my p
• I ___ her for a long time since she left here.A．haven’t seenB．am not seeC．hasn't seenD．do not s
• 14．Mum, you really need to have a. rest! You_________in the kitchen ever since you came back home th
• — The floor is too dirty. — I know. It _______ for weeks. A．hasn’t cleanedB．didn’t cleanC．hasn’t bee
• --- Pardon? I didn’t quite catch you. --- I said our foreign guests to Dalian the nigh before.A．had
• His wife, to whom he _____ for 20 years, died of cancer last Thursday.A．had marriedB．has been marrie
• －Have you read the novel?－Yes. I ____it three times while I was in university.A．had readB．readC．have
• .The president, accompanied by his assistants, ______.A．have arrivedB．are arrivingC．had arrivedD．has
• .----Fined ￥!You know you ________KM an hour,don’t you?------No officer. I can’t have been.This car
• —Hi, Mary. It never entered my head that you’d come. What a surprise!—I’m on a business trip in the
• Continue heating until steam _____. A．has appearedB．appear C．appeared D．will appear-英语
• 14. Many new games are designed on the computers all the time; people of all ages ______ these games
• .Growing around the river ________ wild flowers of almost the same colour.A．isB．wasC．are D．has been-
• -Did you come to the museum by bike yesterday? -No. Two inches of snow fell during the night. As a r
• The unemployment rate in this city ____ from 7％ to 6％ in the past two years.A．has fallenB．had fallen
• ..I would have gone fishing yesterday,but it ______all day.A．had been rainingB．was rainingC．should r
• .When she came out, Mary looked a bit tired because she _____the house.A．cleanedB．wasC．had cleanedD．
• Around 70% of the XO model laptops handed out by the government ______ to children who did not have
• My goodness. How lucky we are! If there had been places for us on that aero-plane, we ________dead n