ব্যাংক ডেইলি কুইজ [লং কোর্সের অংশ]১টি পরীক্ষায় এসেছেপ্রশ্ন ১২They were building a house. (Change the voice)কA house were being built by them.খA house was being build by them.গA house was built by them.ঘA house was being built by them.উত্তর দেখুন