When asked why he went there,he said he was sent there for a space flight. A.tra

 When asked why he went there,he said he wassent there ___ for a space flight.

A.training                              B.beingtrained

C.to have trained                           D.tobe trained

试题答案

【答案】

 D

解析：不定式作目的状语，表示做某事的目的。不定式的被动式表示被动，根据he与train的关系可确定用不定式的被动式，表示“受训”。动词+ing形式的被动式的一般式表示这个被动的动作正在进行。选项A和C分别是动词+ing形式和不定式的完成式，都不表示被动，所以是错误的。