1.A recorder is often used in our class.2.A new film will be showed next week.3.When was the house built?4.The boy was seen enter the room by me.5.有两种：Will a new walkman be bought by him as a birthday present to me?（强调随身听被买）Will I be given a new walkman as a birthday present by him?（强调“我”被送礼物）6.Has the letter been post yet?7.两种：He is often seen to helping his classmate.（强调他被看到帮忙）His classmate is often seen to be helped by him.（强调同学被看到被帮助，不过一般没有这样表达的，除非联系上下文有特殊含义）8.The light must be turned of before you go to bed.9.All the texts should be learnt by heart.
1.The recorder often be used by us in our English class.2.The new film will be shown by them next week.3.When did the house be built by them?4.The boy was seen by me when he entered the room.5.Will a walkman be bought by him to me as a birthday present?6.Have the letter be posted by them yet?7.We often see his classmate be helped by him.8.The light must be turned off before you go to bed.9.The bike is been repairing by whom?10.All the texts should be learned by the student by heart.啊啊，误导了别怪我……
A recorder is often used by us in our English class a new filmwill be showed by them next weekWhen wasthe house built the boy was seen enter the room by me He will buy a new walkman as a birthday present to me?a new walkman
