Afterayear’straining,theyweremadeentirelyused

问题详情：

 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考查非谓语动词(be/get) used to sth./doing sth.；此处还间接考查了make+复合宾语结构：make sb. + 形容词。

知识点：词组 短语

题型：选择题