The black-and-blue symptom of a sprain is due to

The black-and-blue symptom of a sprain is due toA.pressing one’s ankle B.a tight

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We learn from the third technique that a good salesman shoul

We learn from the third technique that a good salesman should ask himself ____ ?

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The high-speed trains can have major impact on our lives

The high-speed trains can have major impact on our livesA.effort B.influence C.p

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