听力填空 listen to the record and fill in the blanks with the missing words He then -1- a cup with some of the -2-, some of the castor oil and some of the vinegar. As the students watched him -3-, he mixed the three together. After that, he held up one of his -4- and showed it to the class. He then -5- the cup. After a few seconds he took his finger out. “Now watch,” he said. “Remember, you must do everything as I do.” He put a finger in his -6-, tasted it and smiled, -7- rather pleased. Then he handed the cup -8- the class of students. Each student dipped a finger into the -9- and sucked it. Instead of smiling, each of them -10- . The mixture tasted terrible.