It is important to keep ______ in an emergency .(紧急情况)

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• 1--- Pity you missed the lecture on nuclear pollution. --- I _________ it, but was busy preparing for a job interview

  A.would have attended

  B.had attended

  C.would attend

  D.attended

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• 2Not until his fellows criticized him ______ to admit his mistake.

  A.does he begin

  B.did he begin

  C.began he

  D.had he begun

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• 3The detective, ______to read a newspaper, glanced at the man ______next to a woman.

  A.pretending ; seating

  B.pretending; seated

  C.pretended ; seating

  D.pretended ; seated

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• 4----- The windows must have taken you quite a long time that day. ----- Right. They ______ for months

  A.haven't been cleaned

  B.didn't clean

  C.hadn't been cleaned

  D.haven't cleaned

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• 5The room, although ______ to be kept locked, was often left open.

  A.supposing

  B.supposed

  C.to be supposed

  D.having supposed

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• 6The building around the corner caught fire last night．The police are now _______ the matter．

  A.getting through

  B.working out

  C.looking into

  D.watching over

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• 7--- What's that terrible noise? --- The boys ______ for a party.

  A.are preparing

  B.have prepared

  C.prepare

  D.will prepare

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• 8Our family______ made up of six people, and all ______ music.

  A.is ; love

  B.are ; love

  C.is ; loves

  D.are ; loves

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• 9—Mary, are you sure your aunt ___ back from America? —Yes. My mother ___ me. I am going to see her now .

  A.has come; told

  B.came; had told

  C.had come; tells

  D.is coming; has told

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• 10My new pen ______. Who ______ have taken it?

  A.has been disappeared; can

  B.has disappeared; could

  C.is missing; should

  D.has been lost; may

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