1. ...It is being repairEd now.
В вопросе настоящее время (is), в ответе тоже настоящее
2. I kept looking round, because I thought I was being followed.
В первой части предложения во второй
3. We had to keep very quiet while the students were being examinEd.
В первой части во второй
4. I can’t use my office this week because it is being paintEd.
В первой части настоящее (can’t)
5. ...She is being interviewEd.
В вопросе настоящее (is)
6. They say they‘ll put things righ, but nothing were being done.
Косвенная речь
7. I had to wait for a few minutes while the papers were being translatEd.
В первой части предложения
8. Why do I always feel nervous while my passport is being checkEd.
В первой части - настоящее (do; always)
2.The pupils are writing a test, aren't they?
3.The Browns are having lunch, aren't they?
4.The Browns usually have lunch at home, don't they?
5.Your friend's grandfather can speak five languages, can't he?
6.There isn't a dog in the garden, is there?