Correct the following sentences by replacing the quotation part with the right option. Everyone 'must understand their duties and conduct them well'
A. must understand their duties and conduct them well
B. should be understanding their and conducting them well.
C. must understands his/her duties and conduct them well.
D. must be understanding his/her duties and conducting them well.
সঠিক উত্তরঃ
B.
should be understanding their and conducting them well.
