ব্যাংক মডেল টেস্ট [সাপ্তাহিক]৩২১টি পরীক্ষায় এসেছেপ্রশ্ন ৯৩Identify the correct sentence.কThey had cleaned the house before their guests arrive.খThey have cleaned the house before their guests arrived.গThey has cleaned the house before their guests arrived.ঘThey had cleaned the house before their guests arrived.উত্তর দেখুন