Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.

 I’d appreciate ______ , to be frank, if you would like to teach me how to use blog and twitter on the Internet.

 Does ________ matter if he can’t finish the job on time?

The medicine is on sale everywhere. You can get it at _______ chemist's.

Understanding the cultural habits of another nation, especially ____________ containing as many different subcultures as the United States, is very difficult.