It was
Her brilliant idea solved the problem.
It was her brilliant idea that solved the problem.
I don’t understand why she is leaving the company.
That is why she is leaving the company
I cannot explain why she left so suddenly.
Why she left so suddenly remains a mystery.
I can’t understand why he agreed to such a risky deal.
Why ever he agreed to such a risky deal is beyond me.
I don’t understand why she refuses to join the committee.
Why is it that she refuses to join the committee?
The committee chose David to lead the negotiations.
It was David whom the committee chose to lead the negotiations.
I finally realized how he managed to complete the project so quickly.
That was how he managed to complete the project so quickly.
I don’t understand how he solved the problem so quickly.
How he solved the problem so quickly astonished everyone.
I don’t know how she managed to finish the project so quickly.
How ever she managed to finish the project so quickly amazes me.
I can’t understand how he manages to finish so much work every day.
How is it that he manages to finish so much work every day?
The new policy caused confusion among the employees.
It was the new policy which caused confusion among the employees.
People know the reason the meeting was canceled.
That is why the meeting was canceled.
I realized what the manager was planning for the next project.
What the manager was planning for the next project surprised the team.
I can’t remember when they first met.
When ever they first met remains unclear.
I don’t know what makes this solution so effective.
What is it that makes this solution so effective?
The fire alarm went off at midnight, and everyone evacuated.
It was at midnight when the fire alarm went off, and everyone evacuated.
I remember the day she first arrived in the city.
That was when she first arrived in the city.
I remember when the guests arrived at the hotel.
When the guests arrived at the hotel was a very busy moment.
I have no idea where they went after the conference.
Where ever they went after the conference is a mystery.
I can’t figure out when the company plans to launch the new product.
When is it that the company plans to launch the new product?
The conference took place in the main hall.
It was in the main hall where the conference took place.
He explained the way we should handle the negotiations.
That is how we should handle the negotiations.
I still don’t know where they held the secret meeting.
Where they held the secret meeting remains unknown.
I can’t figure out who would make such a strange decision.
Who ever would make such a strange decision is hard to imagine.
I am unsure where they are holding the secret meeting.
Where is it that they are holding the secret meeting?