－Is everything all right?

－Yes, we were very much afraid ________ our house when we were away.

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________ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.

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Thinking that you know ________ in fact you don't ________ a great mistake.

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The building was ________ a hero who laid down his life for the cause of the people.

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Daddy didn't mind what we were doing, as long as we were together, ________ fun.

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－We want someone to design the new art museum for us.

－________ the young fellow have a try?

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Radar signals and rockets ________ travel through out space are the products of our ________ scientific age.

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The little boy is dirty from head to foot because he ________ in the mud all morning.

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Despite what I'd been told about the local people's attitude to strangers, at no time ________ any rudeness.

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The rainy season is coming and let's make full use of the ________ days to dry whatever is needed to dry before the next dry season.

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