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          【題目】By this time tomorrow, I ________ the novel being written at the moment.

          A. complete B. have completed

          C. will have completed D. will be completing

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          【題目】________ cloning may be used for medical treatment, everyone doesn’t support it.

          A. While B. As

          C. Since D. Unless

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          【題目】This winter vocation, my family are going to visit the Great Wall, but I would rather we ________ to Shanghai Disneyland.

          A. go B. had gone

          C. would go D. went

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          【題目】If ___for the job, you’ll be informed soon.
          A.toaccept
          B.accept
          C.accepting
          D.accepted

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          【題目】The more petrol and electricity we consume, the more carbon we will ________.

          A. let off B. put off

          C. pay off D. take off

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          【題目】— Can't you stay a little longer?
          — It's getting late. I really _____ go now, My daughter is home alone.
          A.may
          B.can
          C.must
          D.dare

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          【題目】It o to me that I had left my keys in my office.

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          【題目】I ________ more careful in that quiz. I made too many stupid mistakes.

          A. must be B. could have been

          C. must have been D. could be

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          【題目】It won't be long ______ you regret what you have done.
          A.after
          B.before
          C.since
          D.until

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          【題目】You won’t find paper cutting difficult _____you keep practicing it.
          A.evenif
          B.aslongas
          C.asif
          D.eversince

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