Bank English Preparation৪১৯টি পরীক্ষায় এসেছেপ্রশ্ন ৫Choose the correct sentence.কWhile he crossed the road, he saw a dog.খWhile crossing the road, he saw a dog.গWhile he crossing the road, he saw a dog.ঘWhile was crossing the road, he saw a dog.উত্তর দেখুন