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____of danger in the street at night, she had to go home, with a friend ___ her.

– What’s wrong with your ipad2? The sound ____is not clear.
--Yes. It has been broken for some time.

– I met Jackson at our school theatre. Can you imagine_____ well-known _____ an expert on ENT?

Food safety issues, ____ will seriously affect the growth of teenagers and even the nation’s future.

It is ___ the customers’ needs that has made chain stores so popular in big cities in China.

--- I regret ________ you that John has been fired.
--- I can hardly believe my ears. He is such a fine worker.

Today we have chat rooms, text messaging, emailing… but we seem ________the art of communicating face-to-face.

It’s no use________ without taking action.

The books, ________ the dictionaries, must be put back where they ________.

The building ______ will be completed in two months.