..... we reached the exam hall than the door closed .
..... we reached the exam hall than the door closed . Correct Answer No sooner had
`No sooner had ..... than conjunction - টি সব সময় জোড়া আকারে বসে। No sooner had we reached the exam hall than the door closed - আমরা পরক্ষার কেন্দ্রে পৌছাতেই দরজাটি বন্ধ হয়ে গেল।