5. Underline the words in the following sentences which can be translated into “保证”, and then translate the sentences into Chinese.

1. France has already pledged billions of dollars in aid next year.

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2. You shouldn’t promise what is impossible.

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3. The boss assured him that he had no plan to let him go.

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4. It would be wise to get his eyes checked to ensure there is no problem.

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5.Measures have been taken to guarantee that no student will have to drop out of college for financial reasons.

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6.The manufacturer must warrant the quality of its products according to the regulations.

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