—Why weren’t you at the meeting?—I____ for a long distance call from my sister in America.
With a lot of homework _________, I had to stay at home all day.
The number of workers _______________2000.
The day came finally _____ I was given an opportunity to act in the play.
The library from __________we borrow books will be rebuilt next year.
Only when he left his hometown and went abroad_______ he loved his parents very much.