There are many students' exercise books here.为什么students要加 ’.请说明理由.清楚一点.我听说是因为那个单词本身就是个复数就加’s。例如children's day。

英语阅读 救助!There are some problem areas for international students and immigrant studying in the UnitedStates.Making friends is a challenge (this is also true for some American students).Many colleges anduniversities offer a variety of stude There are many animals______farm There are many sweets. There are many fruits, too how many legs are there? There are many reasons____travelling abroad. There are many sweets.翻译 there are many differences between how many stop are there there are many _____________(fish ) How many pears are there? How many stars are there? How many birdges are there? HOW MANY BOOKS ARE THERE there are many things（） How many people are there? There are many horses是什么意思 There are many fritus.(改错) There are many trees planted