________ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.
Johnson had made up his mind to give it up,but on______second thought he determined to try______ third time.
Quickly!Tom,give me ______pen to mark the page.I see______under the book.
Some of the passengers told the reporters about their_____in the burning train.
You have missed your______.You have to queue up there and wait for the next round.
______is very important for us students to learn English well.