Is the modern racing car outside ______, Lucia? –Of course not. Nobody but Jim can afford such an expensive car. It must belong to ______.

May I speak to Mr. Smith?— He __________. Can I ______ a message?

. My first summer vocation in the high school, _______I spent a fortnight on the farm, is really unforgettable.

It is careless _______ such a mistake.

I have ____ new friend. She is from ______Nanjing.