Shaheen would never have taken the job if __ what great demand it would make on his time.

শূন্যস্থানে সঠিক উত্তর he had known। Complete sentence: Shaheen would never have taken the job if he had known what great demand it would make on his time.

এটি Third conditional-এর উদাহরণ।

• Structure: If + Past Perfect, would/could/should have + V3
• Example: If you had come, I would have gone there.
• Inversion: Had I known about the traffic, I would have left earlier.