_______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
It was not until all the fish in the pond died that________ the situation was serious.
Today acupuncture has become popular round the world, ________ have other traditional Chinese medicines.
It was too dark . I couldn’t ________ the words written on the wall.
It Is ________ great comfort that many drivers have realized drunk driving is ________ invitation to accidents.
Out ________, with a stick in his hand.