问题
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The experiment requires more money than ______.[2002]A.have been put inB.being put inC.has
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The research requires more money than ______.[2007]A.have been put inB.has been put inC.be
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The project requires more money than_____.A.have been put inB.being put inC.has been put i
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I expect the orange juice ______ undrinkable because it has been put there for several mon
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Who has been considered as the Father of American Literature?A.Washington Irving.B.James F
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As a news reporter, James __________ many places in the world.A. has been toB. has gone
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