উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।
ব্যাখ্যা ও সঠিক সমাধান
উত্তর:
Although tired he continued working and he finished the project on time.
Although tired, he continued working, and he finished the project on time.
Although tired he continued working and he finished the project, on time.
Although tired, he continued working and, he finished the project on time.