SAT两道写作/语法/改错题

题目

SAT两道写作/语法/改错题
Like many people,Luanne believes that parents can foster musical ability in small children out of playing classical music for them while they are infants.
A.Like many划线
B.out of划线
C.playing划线
D.they are划线
E.no error
答案是B……为什么?
Had it not been for two particularly skillful members of the work crew,we could not have completed the apartment renovations on schedule.
A.Had it not划线
B.been for划线
C.have completed划线
D.on schedule划线
E.no error
答案是E……请问逗号前的前半句是什么句式?

答案

1 foster是促进培养的意思,不可能与out of搭配.out of是表示不让这么做2 是虚拟语气的省略+倒装.应该是 if it had not been for two particularly skillful members of the work crew,于过去事实相反,得用if it had ...