There are so many viruses on the Internet. If ____ accidentally, the viruses may makeyour computer

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• We don’t allow ____ in the office. But you are allowed ______ in the open air. A．smoking; smokingB．t
• Mary couldn’t make herself ________ attention to because her classmates made so much noise.A．payB．to
• Mr. White his racing bicycle by himself yesterday, but I am not sure whether it is ready.A．repairedB
• --- And then the ________ wind blew the roof off. --- Oh, you must have been ________.A．frightened,
• The house is too old. It requires ________.A．to repairB．repairingC．repairedD．repair-高二英语
• He's a good teacher, but his inappropriate manner does tend ______ people. A．to annoyB．annoying
• —Do you know the tower ___ in the heart of the city?—Do you mean the one ___ to the north of the cit
• ----- Are you used to______ in the north with the old couples? ----- Yes, I am glad to find out that
• _______ from view day by day, the singer isi turning to his memories for comfort.A．Having been disap
• Nathalie suggested the problem worth paying attention__________at the meeting.A．to be discussed B．t
• The robot was going to by Larry’s life.A．test outB．be tested outC．testing outD．try out-高二英语
• Every minute is made full use of ________ our lessons.A．studying B．to study C．study D．being studied-
• Alcohol is also classified as a downer (镇静齐Ij), and though it is legal, it can damage the liver and
• It cost me a great deal, but I don’t regret a year travelling around the world.A．spendB．to spendC．sp
• She showed me a red silk dress _____ online, which cost her only 10 dollars.A．to be boughtB．being bo
• I went to the newly-built super-market and found there was nothing worth_____.A．to buyB．buyingC．to b
• A number of new machines were introduced from abroad，______ an increase in production.A．resulted inB
• .According to a recent report, India is considering ______ the cheapest laptop computer which can be
• --- What do you think made Ceha so happy? --- a prize in the recent competition.A．WinningB．WonC．As
• This is the only way we can imagine him out of his foolish plan.A．persuadingB．to persuadeC．persuaded
• I would appreciate _____ it a secret.A．your keepingB．you to keepC．that you keepD．that you will keep-
• ——_________ abroad for 10 years, he went back home.A．Working B．Having workedC．To work D．Worked-高二英语
• From my point of view, the best way _______ the problem is not to send soldiers to that area but to
• Putting waste in different bins made it easier for it______．A．to recycleB．recyclesC．recyclingD．to be
• I enjoy listening to the songs _______by ourselves.A．sungB．singC．was sungD．singing-高一英语
• .—English has a large vocabulary, hasn’t it?--Yes._____ more words and expressions and you will find
• Having taken our seats,_______________________.A．the professor began the lectureB．the lecture began
• ______me, he walked up to me, smiling.A．To seeB．For seeingC．On seeingD．Because seeing-高一英语
• From his _______ look, we could see that he hadn’t expected that we could raise such _______ questi
• Most people admit _____ the fact that it is not easy _____ into a famous university.A．know; admitB．k
• While ______ out of the window, I saw my father growing some vegetables in the garden.A．lookB．looksC
• ___three times in a row, the boxer decided to make a fourth attempt, though．A．Having defeatedB．To ha
• With the world changing fast, we have something new ______with all by ourselves every day．A．dealB．de
• _______ in time, little Franz was afraid. ________ scolded.A．Not having come…of beingB．Having not c
• What kind of mistakes do you want to avoid ____full marks in your test?A．to getB．getC．gettingD．will
• While ________ the street, he was hit by a car.A．crossingB．crossC．crossedD．to cross-高三英语
• is to struggle.A．LivingB．LiveC．To liveD．To be lived-高三英语
• The little boy burst.A．out cryB．into being cryC．out cryingD．into crying-高三英语
• Oh, look! Here’s a photo ______ in my classroom at primary school. Can you recognize me in it?A．taki
• She was scared _______ when hearing the sound of explosion.A．to deathB．deathC．of deathD．with death-
• by a greater demand of vegetables, farmers have built more green houses.A．DrivenB．Being drivenC．To d
• Everyone agrees that the Philippine police ____for the tragedy that Hong Kong tourists were killed．A
• In the morning you can get up only______ all your equipment buried and you’ve got to dig it out．A．to
• We don’t allow____here,but we can allow you ____in the next room.A．smoking,smokeB．smoke,smokingC．smo
• They look forward____a chance to receive further education.A．of gettingB．in gettingC．to getD．to gett
• That was such an____question that it made me____,not knowing how to answer.A．embarrasing,embarrassed
• Before becoming a pilot, he spent quite a long time ____.A．to be trainedB．being trainedC．trainingD．t
• Have you made up your mind ________ abroad? I advise you to consider it carefully.A．studyB．to studyC
• Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______
• The film on the novel by Simpson has got the first prize in the Oscar film festival.A．basedB．basingC