填空题

Eighteen of the thirty respondents said they would welcome training in (science)______ methods and principles.

【参考答案】

scientific

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填空题

If your call is not answered within two minutes, you (advise) ______ to hang up and dial again.

单项选择题

A) He tried calling the woman but failed. B) He had no time to call the woman. C) He called the woman but she was out. D) He doesn’t know the number of the woman.

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