My boss hates interruptions,       when he is trying to work.

Although modem organic food has become very popular, many people can' t figure out the difference between organic foods and ______ grown foods．

 He was known to have been hanging about and was not expected to pass the test. ______, his failure came as no wonder to his parents.

____ most children nowadays are the only chidren, they tend to be more self-centered．

I am not sure exactly how much money you will receive, but it will______cover your major expense.