We live day by day,but in the great things the time of days and weeks ____ so small that a day is unimportant.
He went out to play football, leaving his homework _________.
All her time __________ experiments, so she has no time for films.
You must have missed the first train yesterday, ________ you?
Professor White, along with his wife and children, ________ London for Paris tomorrow.
—He is the only one of the students ______from the country in my class, and we have known for quite some time.—Where did you meet for the first time? —It was on the farm ________ I used to work.