৯ম - ১৩তম গ্রেড পরীক্ষার প্রস্তুতি২টি পরীক্ষায় এসেছেপ্রশ্ন ৯Which one is grammatically correct?কEach of the students have submitted their homework.খEach of the student has submitted their homework.গEach of the students has submitted their homework.ঘEach student have submitted their homework.উত্তর দেখুন