১৪০ দিনে ৫১তম বিসিএস প্রস্তুতি১১টি পরীক্ষায় এসেছেপ্রশ্ন ১০Identify the correct sentence -কক) The boy to who I gave instructions was forgetful.খখ) The boy to whom I gave instruction was forgetful.গগ) The man to who I gave instruction was forgetful.ঘঘ) The man to whom I give my instruction was forgetful.উত্তর দেখুন