Question 49: Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions: The assumption that smoking has bad effects on our health have been proved.

Question 49: Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions: The assumption that smoking has bad effects on our health have been proved. A. The B. that C. effects on D. have Knowledge of subject and verb …

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