_______________ while writing, he locked himself in his study.
Due to circumstances ____ our control the performance has had to be cancelled.
Only those who have experienced hardship ____ well aware of what happiness means.
The time is not far away ___ the information will be made known ___ more workers will be trained for their jobs.
The Science Museum, _____ we visited during a recent trip to Britain, is one of London’s tourist attractions.
_____ was most important to her, she told me, was her family.