Choose the correct answer

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28. He suffered a slow and painful ………….
A. economy B. need
C. introduction D. death

29. Travelling by train is still one of the safest methods of …………
A. transport B. speed
C. convenience D. infrastructure

30. We have known each other since …………
A. illness B. advent
C. childhood D. essential role

Exercise (3): Fill in each blank with a suitable word below.