The maths problem can be worked out ________ different ways.

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Don’t argue ________ it. It’s no use.

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What do you think ________ do to help the old man?

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After school the students make their room ________.

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She is ________ honest girl. We should help her without hesitation.

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　　－What should a good friend ________?

　　－I think he should be honest.

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When we ________ after a long talk, we found the children sleeping in ________ beds.

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　　－Did you have any trouble ________ the house?

　　－No, but I had a lot of difficulty ________. Nobody seemed to know where the key was.

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The company has a free longdistance telephone number ________ customers may call with any questions they have about its product.

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________ late in the mornings Bob turned off the alarm.

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