বিসিএস জব সল্যুশন - রিভিশন৩২১টি পরীক্ষায় এসেছেপ্রশ্ন ২৭Identify the correct sentence.কHe has been ill for three months.খHe has been ill from three months.গHe has been ill since three months.ঘHe has been ill on three months.উত্তর দেখুন