Afterayear’straining,theyweremadeentirelyused

問題詳情：

 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考查非謂語動詞(be/get) used to sth./doing sth.；此處還間接考查了make+複合賓語結構：make sb. + 形容詞。

知識點：片語 短語

題型：選擇題