___ in the book he was reading on the way, the boy was almost knocked down by a car.
I don't mind her criticizing me,but ________ is how she does it that I object to.
It was last night ________ I saw the comet.
—Did Linda see the traffic accident? —No,no sooner ________ than it happened.
________you said at the meeting describes a bright future for the company.
From space, the earth looks blue.This is ________about seventyone percent of its surface is covered by water.