It’s always difficult to live in a foreign country, ______ when you don’t speak the language. 

In the TV ad, the actress is asked to jump with her mouth ________ open, showing her ________ teeth.

He is ________that all of us like him very much.

It turned out that one of the children I thought a girl was _______ a boy.

Practice speaking English as often as possible and _____your spoken English will improve.