৫০ দিনে ৫০তম বিসিএস প্রস্তুতি [সমন্বিত] - Archived২৩৫টি পরীক্ষায় এসেছেপ্রশ্ন ২০Choose the correct sentence:কHe left the restaurant before the guest arrived.খHe had left the restaurant before the guest had arrived.গHe had left the restaurant before the guest arrived.ঘHe had left the restaurant before the guest arrive.উত্তর দেখুন