6、I bought the second-hand bike ________ one of my ________.

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5、The question was ________ to take the children to the theatre or to leave them at home.

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4、He has a good job, and he can bring ________ $3000 a month.

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3、Do you know his difficulty he had ________ five children at school?

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2、I've worked with children before, so I know what ________ in my new job.

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1、Please say hello to Mr Zhang ________ me when you see him.

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