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My grandfather()a car.A.hasn’t gotB.doesn’t hasC.have not..
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足月分娩后hCG降至正常的时问平均为A.1周B.2周C.4周D.6周E.9周..
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This sign warns()ahead.A.people the dangerB.people of the dangerC.people about the dange..
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单件生产时,有时会采用焊接件做箱体毛坯。..
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China is a wonderful place and there is()to see and enjoy.A.a lot ofB.manyC.muchD.many m..
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Mary forgot()a letter to her mother, so she wrote to her just now.A.writingB.to writeC.t..
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