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          【題目】Be _______ — you can't expect me to finish all this work in so little time.
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          【題目】A number of high buildings have arisen ________there was nothing a year ago but ruins.
          A.when
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          【題目】If we _______ adequate preparations, the conference wouldn't have been so successful.
          A.haven't made
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          【題目】People in ancient times took _______ for granted that the sun moved round the earth.
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          【題目】The days we have been looking forward to (come) soon.
          

			
          

			
          
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          A.the; the
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          【題目】After Jack had sent some e-mails, he _______ working on his project.
          A.had started
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          C.started
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