一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等.设四棱锥、三棱锥、三棱柱的高分别为,,,则( )
No one in the department but Tom and I _________ that the director is going to resign.
________ their teacher coming, the pupils pretended to be reading aloud.
Would you be so kind as to tell me _______ of the five policemen will be sent to Hong Kong?
---Did you watch the program Voice of China on Friday night? It was wonderful. ---I wish I had, but I ________ for the mid-term examination then.
All work and no play makes Jack a dull boy. Proper relaxation is as important as work. 注意:1.无须写标题; 2.除诗歌外,文体不限; 3. 内容必须结合你生活中的一个事例; 4.文中不得透露个人姓名和学校名称; 词数不少于120,如引用提示语则不计入总词数。