It is the _________ in Britain that young people often do not shake hands when they meet someone for the first time.

Not having a good ________ of English can be a serious disadvantage to achieving your goals.

 So far there have been hundreds of _______ infected with H1N1in our province.

It takes time to build ______ when you are learning a difficult skill.

She’s such a smart ___ that she can type 150 words in one minute.