—Your book, Tommy? —No, Mom, it’s my friend’s. —Remember to return it to ____ name is on it. 

Was it in the school reading room _____ you found the missing book?

They use computers to keep the traffic _______ smoothly. 

“_____ when does the pub stay open？”  “About midnight.”

 Richard was called in by the police to answer questions _______ the disappearance of Thomas Ripley, whose relatives were so ______ his present situation.