以被动语态形式回答下列问题.1)Where did you keep your jewellery?(in the sa

为你解答.
1) Where did you keep your jewellery?(in the safe)
My jewellery was kept in the safe.
2) Has anyone opened the front door?(my brother)
Yes, the front door has been opened by my brother.
3) How many times does someone empty the post box in a day?(three times a day)
The post box is emptied three times a day.
4) Will we have to collect letters from the post office ourselves?(Yes)
Yes, letters from the post office have to be collected by us.
5) What are they repairing at the moment?(the piano)
The piano is being repaired by them at the moment.
6) Should passengers throw away their tickets after checking in?(No, inspectors may check them during the journey)
No, they may be checked by inspectors during the journey.
7) Where might I find the umbrella I left on the bus?(in the Lost and found office)
The umbrella might be found by you in the lost and found office.

1My jewellery was kept in the safe.
2The front door has been opened by my brother.
3The post box is emptied three times a day.
4Yes,the letters will be collected by us ourselves (from the...