During the earthquake,the great part of damage and loss of life was_____the poor quality of the buildings, which couldn’t fight against its force.
Helen ______ her keys in the office so she had to wait until her husband ______ home.
The teacher, with 6 girls and 8 boys of her class, ______ visiting a museum when the earthquake struck.
With a lot of difficult problems ______, the newly-elected president is having a hard time.
—I must apologize for ______ ahead of time. —That’s all right.
------ I missed the bus. What a pity ! ------______. There will be another one in five minutes.