Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Where, sorry, what was the seat of former party leader David McLetchie?
What was the seat of former party leader David McLetchie?

When do um where do most students at the Groton School come from?
Where do most students at the Groton School come from?

Where has or no rather who has said that climate models are uncertain?
Who has said that climate models are uncertain?