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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Which one is the correct sentence?

A. She has been reading a novel since three hours
B. She has been reading a novel for three hours
C. She has being reading a novel since three hours
D. She has being reading a novel for three hours
সঠিক উত্তরঃ B. She has been reading a novel for three hours
Explanation: