—How long can I keep the book? —A week. You _____to return it by Monday.
Only when the war was over_____ to go back to the village where he had lived for so many years.
I have the same opinion as you _______ the privacy of one’s life should be kept secret.
It is not surprising that you are tired. _____, you stayed up until 12 last night.
_______ being fun and good exercise, swimming is a very useful skill.
It was not until she got home __ Mary realized she had left her books in the classroom.