The path -- paved, so we were able to walk through the path.
Reading
ক)
was
খ)
had been
গ)
has been
ঘ)
being
Explanation
অপর clause টি past indefinite এ আছে তাই শূন্যস্থানে was বসবে The path was paved, so we were able to walk through the path.=পথ প্রশস্ত ছিল, তাই আমরা পথ দিয়ে হাঁটতে পেরেছি।