懂英语的来看看,只需写答案,标上序号就行了,最好能顺带翻译一下.一.Rewrite the following sent

懂英语的来看看,
只需写答案,标上序号就行了,最好能顺带翻译一下.
一.Rewrite the following sentences in passive vioce.
1.The department holds meetings every Tuesday afternoon.
___________________________________________________________.
2.The mechanic has replaced the flat tyre.
___________________________________________________________.
3.They had checked all the windows in the house.
___________________________________________________________.
4.The shopkeeper closed the door after I went into it.
___________________________________________________________.
5.Someone has stolen the new luggage I bought last week.
___________________________________________________________.
二.Change the following notices into passive vioce.
1.Workers mustn't drink alcohol in working hours!
___________________________________________________________.
2.You must keep dogs on a lead in the gardens!
___________________________________________________________.
3.Staff workers shouldn't make private telephone calls from the office!
___________________________________________________________.
4.Customers must leave their bags at the desk.
___________________________________________________________.
5.Guest must leave keys at Reception.
___________________________________________________________.

1.The department holds meetings every Tuesday afternoon.
The meetings are hold in the department meetings every Tuesday afternoon.
2.The mechanic has replaced the flat tyre.
the flat tyre has been replaced by the mechanic.
3.They had checked all the windows in the house.
all the windows in the house had been checked by they.
4.The shopkeeper closed the door after I went into it.
the door was closed by the shopkeeper after I went into it.
5.Someone has stolen the new luggage I bought last week.
the new luggage I bought last week has been stolen by someone.
二.Change the following notices into passive vioce.
1.Workers mustn't drink alcohol in working hours!
alcohol mustn't be drunk (by workers) in working hours!
2.You must keep dogs on a lead in the gardens!
dogs must be kept on a lead in the gardens(by you)!
3.Staff workers shouldn't make private telephone calls from the office!
private telephone calls shouldn't be made from the office (by Staff workers)!
4.Customers must leave their bags at the desk.
(their) bags must be left at the desk (by Customers).
5.Guest must leave keys at Reception.
keys must be left at Reception (by Guest).
注意：如果纯粹是针对句子改写被动语态的话,需要括号里的,要是用于贴在墙上的标语,不需要表明主动语态中的主语,即括号里的部分一般省略.