13. ___ had they reached the 30th floor ____ they realized that they had forgotten to take the key.A

题目简介

13. ___ had they reached the 30th floor ____ they realized that they had forgotten to take the key.A

题目详情


13. ___ had they reached the 30th floor ____ they realized that they had forgotten to take the key.
A.Hardly; than B.Hardly; whenC.No sooner; when D.No sooner; then
题型:单选题难度:偏易来源:不详

答案

B

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