The professor of Environmental Science had Ahmed ____ a research on global warming and said that is was imperative that he ____ a report on solid waste management by following Tuesday. Appropriate fillers for the blanks are-
A. do, write
B. done, wrote
C. do, should
D. done, should have written
E. done, should be writing
সঠিক উত্তরঃ
A.
do, write
Explanation:

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