It was the longest film we have ever seen ; it ____ three hours..
--- Do you mind if I record your lecture? --- ___________. Go ahead.
)— Do you mind if I record your lecture? — ___________. Go ahead.
—Are you all right? — ______.
--- Let’s go for a walk in the garden. --- _______, but I need to do the washing-up.
--- Bill, can I get you anything to drink? --- .