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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Which one is the correct sentence?

A. I know him for two years
B. I have been knowing him for two years
C. I have known him for two years
D. I have known him since two years
সঠিক উত্তরঃ D. I have known him since two years
Explanation: