1、With the help of the PLA men ,my mother was saved.（改写句子,句意不变）

题目

1、With the help of the PLA men ,my mother was saved.（改写句子,句意不变）
________ ________ the PLA men,my mother was saved.
2、Please knock at the door before you enter the room.（同义句转换）
Please knock at the door ________ ________ the room.
3、Do you always have ________ big breakfast in the morning?
A./ B.the C.a D.an

答案

1.Helped by ed分词作状语
2.before entering 介词跟动名词作状语
3.C.a have breakfast / have a big breakfast