the student activity survey

the student activity survey here are the student activity survey student activity survey为何不加是S Here are the results of the student activity here are the results of student activity survey at green high school为什么student不佳's Here are the r__of the student activity survey in class four.from the picture Here are the results of the student activity survey at Green High School.为什么用student,而不是students? Here are the results of the student activity survey at Green High Here are the results of the student activity at Green High School Here are the results of the student activity survey at Green High here are the results of the student activity survey at Green High School. Here are the results of the ( )(student) activity survey at Hilltop High School.教教我 Here are the results of the (.) activity survey at Hilltop High School.(student) 填什么,为什么 Here are the r__of the student activity survey.I exercise every day.I am p__healthy. 英语翻译A voluntary activity in the winter vacation was organized by the student' union. Here are the results of student activity survey at Green High School 的原文不要翻译 八年级上（人民教育出版社）英语问题1、第3页中,“student activity survey”为什么student不是student's,为什么student activity 不是复数（students or activities)?2、也是第3页,为什么“the results for watch TV are Here are the results of the student activity survey at Green High School.这句话的activity为什么不加s复数? Here are the results of the students activity survey at Hilltop High School是 students 还是 student