Be careful when you surf the Internet．If you download a virus into your computer ______, you will not open your files．

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• 1The man dressed _____ jeans is an expert _____ unlocking doors and he can open a door ______ difficulty.

  A.in, on, with

  B.on, at, with

  C.in, on, without

  D.in, at, without

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• 2–Do you enjoy seeing foreign films? –Yes. Some of them are good and the film Avatar ____ is excellent.

  A.in common

  B.in total

  C.in particular

  D.in general

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• 3—Congratulations _______ passing your driving test! —Thank you.

  A.at

  B.on

  C.from

  D.in

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• 4The topics of a travel journal can be different from a diary, often _______ people, things, and events __________ the readers.

  A.including…less familiar with

  B.included…familiar to

  C.including…less familiar to

  D.including… less familiar than

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• 5Forgive him, please. I don't think he broke your ruler __________.

  A.with care

  B.for fun

  C.with aim

  D.on purpose

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• 6Dolly wants to cycle round the world and she is really keen _______ the idea．

  A.on

  B.for

  C.at

  D.with

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• 7When a friend of mine comes _____ difficulties, I will give him or her my hand the first time.

  A.to

  B.through

  C.with

  D.across

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• 8You ought to be stricter _____ your son; it's no use only being strict _____ his work.

  A.with; with

  B.in; in

  C.in; with

  D.with; in

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• 9— I didn't want to ask John to help solving the trouble. — Really? _______ , Tom is eager to do so.

  A.In the end

  B.As a matter of fact

  C.Frequently

  D.Generally speaking

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• 10She pretended to be calm but _______she was more than nervous at the time she was being questioned.

  A.in actual

  B.actually

  C.as matter of fact

  D.in a fact

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