将主动句改成被动句
问题描述：
将主动句改成被动句
①I saw the boy enter the room.
②Will they show a new film next week
③Have they posted the letter yet
④We often see him help his classmate
⑤You must turn off the light before you go to the bed
⑥Who is repairing the book
⑦The student should learn all the texts by heart
⑧You must hand in you homework before five
答
1 The boy was seen by me to enter the room.2 Will a new film be showed by them next week ?3 Has the letter been posted by them yet ?4 He is often seen by to help his classmate.5 The light must be turn...