Ответ:

1. It is being repaired now.
2. I was being followed.
3. ... the students were being examined.
4. It is being painted.
5. She is being interviewed for a new job.
6. ... nothing is being done.
7. ... the papers were being translated.
8. ... my passport is being checked.

Ответ:

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 прошедшее, во второй - прошедшее

3. We had to keep very quiet while the students were being examinEd.

В первой части прошедшее, во второй - прошедшее

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 прошедшее (had)

8. Why do I always feel nervous while my passport is being checkEd.

В первой части - настоящее (do; always)