The Chinese Education Department suggests teachers should receive ______ education to catch up with the development.

I’ve asked several people what happened, but no one will give me a          answer.

You are a ______ man now; you are no longer a boy.

It’s said that in the sea the fisherman caught a big fish ________.

A young lady _____________ is desirous of meeting with a situation in a private family where the children are under fourteen.