根据所给的汉语内容，用英语完成下列句子。（每空限填一词）
71. 离开课室时请关灯。Please_______ ________ the lights when you leave the classroom.
72. 踢完足球后，他太兴奋了睡不着。After the football game, he was__________ excited_________ sleep.
73. 你的手好脏啊！快去洗！_________ __________ your hands are! Go and wash them now.
74. 在中国到处都有人打羽毛球。In China, badminton_________ __________ everywhere.
75. 你知道在哪里买这种邮票吗？Do you know_________ __________ __________ this kind of stamp?
