The ____ plan in First Class is usually two seats on each side of the aisle.

As music plays an important role in our life, many music teachers and educators ______ taking up a musical instrument at a young age.

I got from him only a letter, which was put on my office desk; ______ to the receipt of this letter I have never heard from him.

The duties to provide services for children in need are not ______ to the local social services department.

We pray that all nations be ______ and that all peole around the world live in peace.

He suggested a small but ______ improvement on our former plan; I really appreciate it.

To make our companies ______ in the market,we have to be more creative and productive.

People are beginning to realize that to ______ nature at will is the biggest mistake that man has ever made.

A months ago I wrote to the store complaining about its bad serice, but I haven＇t gotten a(an) ______ yet.

Some of your suggestions have been ______ , but others have been turned down as they are not workable.

If a company decreases health benefits for his employees, they should increase salaries to ______ the workers.