He didn't see me as he was reading when I . into the room.
1.had come
2.came
3.had been coming
4.was coming​

2. came

He didn't see me as he was reading when I came into the room.

2) - their  office  hours don't begin  at 9 o'clock.

when do their  office hours begin?

3) - mr. bell isn't busy all day.

is mr.bell busy all  day?

4) - there aren't any cables on the table.

are there any cables on the table?

5) - she can't translate some letters from english into russian.

can she translate some letters  from  english into russian?

6) - he doesn't have any offers  fron bell& co.

does he have any offers from bell& co.

7) - mr. smith hadn't  bought several machines  from green& co by  june 2005.

had mr. smith bought  several  machines  from green& co  by june  2005?

8) - they weren't reading french newspapers yesterday at 5 o'clock.

when time were they reading french newspapers?

9) - the engineers didn't meet any inspectors  a week ago.

did the engineers  meet some inspectors  a week ago?

10) - we haven't received five enquiries from blake& co yet.

have we already  recieved five enquiries  from blake& co?

11) - they haven't  a lot of  offices in london.

do they have a lot of  offices  in london?

верная грамматика.

поставь "лучшее решение", если несложно.

ibelieve that the most common reason for conflicts between teachers and students is the difference in understanding of life's values. teaches believe that what they think and what they were taught - are the only right things and there should be no discussion about that. students have different point of view, which are rather modern and unacceptable by teachers.