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Theclimbersreachthetopofthemountain,butbecauseofthesuddensnowstorm,theycomedown.A.could,weren’tabletoB.wereableto,couldn’tC.could,couldn’tD.werepossibleto,couldn’t
题目详情
The climbers ______ reach the top of the mountain, but because of the sudden snowstorm, they ______ come down.
A.could, weren’t able to
B.were able to, couldn’t
C.could, couldn’t
D.were possible to, couldn’t
A.could, weren’t able to
B.were able to, couldn’t
C.could, couldn’t
D.were possible to, couldn’t
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答案和解析
B
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