---- The heater doesn't work.

---- The plug ________. Just plug it in.

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One should learn how ________ the difficulty.

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This kind of movie is popular ________ the young people.

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Text books ________ to come out in time.

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They hurried home because they were afraid of ________ in the rain.

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The headmaster suggested ________ off the sports meeting until next Sunday.

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I should say sorry to Li Hua. I regret _______ to help him that day.

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Our English teacher often asks us to do some _______ games.

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There are some situations _______ we need to be careful about our body language and gestures.

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--What can I do for you?

--I'd like to buy a dictionary for my sister, _______ at a proper price but of great use.

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