৫১তম বিসিএস ফাইনাল মডেল টেস্ট ও রিভিশন২টি পরীক্ষায় এসেছেপ্রশ্ন ৩৫Make it passive: Do you know them?কAre they known by you?খWould they be known by you? গAre they known with you?ঘAre they known to you?উত্তর দেখুন