Catherine’s mother doesn’t allow her to go anywhere outside the town ________ another member of the family is along.

I hear they ________ the car company in 2006.—Yes，it has a history of over ten years.

Do you know ______ man under the tree——Oh, he is _______ university teacher.

Sorry, I’m afraid the project will be delayed. Time is so limited! — Take it easy. You will have two assistants ______.

What can I do for you– I’d like to buy a present for my son, _______ at aproper price but of great use.