Посмотрите, пожалуйста, правильно ли я сделала. Нужно выбрать правильную грамматическую форму.

1) He (1)___ here for 40 minutes when the telephone (2)___.
A. (1) had been sitting,
(2) rangB. (1) was sitting,
(2) was ringingC. (1) was sitting,
(2) rang
He had been sitting here for 40 minutes when the telephone rang.
2) The room ___ two hours ago.
A. cleaned and airedB. are cleaned and airedC. was cleaned and aired
The room cleaned and aired two hours ago.
3. I want you ___ here tomorrow.
A. to comeB. comeC. will come
4. This point is easy ___ in summer.
A. will reachB. to reachC. reach
This point easy will reach in summer.
5. She was thrilled ___ her watch, after all.
A. not to have lostB. had not lostC. did not lose
She was thrilled did not lost her watch, after all.
6. 15. ___ at his desk, he listened to a new CD.
A. WorkB. WorksC. Working
Work at his desk, he listened to a new CD.