. I could just see a car in the distance, but I couldn't _____ what color it was.
It was last night ________ I saw the comet.
—Did Linda see the traffic accident? —No,no sooner ________ than it happened.
—Have you got any particular plans for the coming holiday? —Yes.________,I'm going to visit some homes for the old in the city.
—Who should be responsible for the accident? —The boss,not the workers.They just carried out the order ________.
The shocking news made me realize ________ terrible problems we would face.