求高人帮我把这些句子改成被动句,

1.This type of radios are being made by them in Shanghai.
2.Could the plan be carried out on time?
3,Attention must be paid to such probelms by us.
4.They are being showed how to operate the computers by someone.
5.The questions should be put forward at the meeting by you.
6.English was used to be practised speaking by them.
7.The job is sure to be finished by him by then.
8.The match is going to be played by her today.
9.The incident is being talked about by the people all over the toown.
10.A bus was seen to run towards them by them at that time.
11.She was elected the leader of the group by them.
12.The sports meeting had to be put off by them because of the rain.
13.It doesn't need to be written in such a hurry by us.