Question 48: Choose the best answer (A, B, C or D) to full in the gap or substitute the underlined part: Their professional relationship developed into a lasting ____.

Question 48: Choose the best answer (A, B, C or D) to full in the gap or substitute the underlined part: Their professional relationship developed into a lasting ____.

Question 48: Choose the best answer (A, B, C or D) to full in the gap or substitute the underlined part: Their professional relationship developed into a lasting ____.

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