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Afterayear’straining,theyweremadeentirelyused      unde...

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问题详情:

Afterayear’straining,theyweremadeentirelyused      unde...

After a year’s training, they were made entirely used       under water.


A. to stay                         B. to staying              C. staying                 D. stay

【回答】

B

知识点:固定句型

题型:选择题

标签:unde Afterayear