Помогите пожалуйста не могу разобраться как перевести в пассивную форму

V. Rewrite the sentences in the passive.

1. The secretary is writing the letter.
The letter........by the secretary.
a) is written b) is being written

2. They were interviewing her for the job.
She...........for the job.
а) was being interviewed b) was interviewed

3. Everyone understands English.
English.............by everyone.
a) is understood b) was understood

4. The employees brought up this issue during the meeting.
This issue ...............by the employees during the meeting.
a) is brought up b) was brought up

5. We will deliver the goods immediately.
The goods .......immediately.
a) will be delivered b) will delivered