Newly-recruited staff members have to advise their supervisors _____ their annual leave 4 weeks in advance.
__________ John Kennedy was elected president, he was the youngest American President ever.
He_______________us but he was short of money at the time.
She asked me______I was looking at.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
_______ has been a topic of continual geological research.
Michael looked deeply hurt and surprised when_____________________ .
______ his brother, Mike is active and friendly.
I am sorry I have no time at present to____________________ detail of our plan.
The pool should not be made so deep______small children can be safe there.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.