大学的什么系前面加the吗?He is a professor in the Department of Spanish Philology at the University of Valencia."in"和"Department"这个the该去掉吗?

大学的什么系前面加the吗?He is a professor in the Department of Spanish Philology at the University of Valencia.in和Department这个the该去掉吗? He is stronger.因为stronger是比较级,那它的前面是否要加“The”?例如：He is the stronger. 犹他大学university of Utah前面用加the吗? this is换he/she is,a set of keys换keys可以吗?为什么a set of keys是复数,下面一句却是is this your set of keys.is不是单数用的吗?什么情况下用at?什么情况下要换第三人称形式?什么单词前面要加the?什么情况 first grade 前面要加“the”吗?例如：She is a first grade students.He is in the school from the first grade to the eight grade 这句又加the 了到底什么时候加，什么时候不加？ 乐器前面加冠词the吗?什么名词前面加 什么不加 It is first October.读时first前面加the吗? It is necessary that he start training before the show.start后面要加s吗?老师说不用,因为he前面省略了should,我不懂 who is the man 前面要加什么时才要变成who the man is? he is doing some shopping.请问shopping前面为何要加一个some做什么呀, 这几句英语如何解释(1)He is the younger og the two brothers我想问的是这里younger前面为什么要加the 呢?(2)Beyond the stars , the astronaut saw nothing but space我想问的是stars前面为什么要加the,而space前面不加the. he is captain of the team 为什么辅导书上说没有说captain前面不加the 英语语法问题：He is the man to whom I gave the money这句话中whom前面为什么加to 什么词前面要加the 一般将来时的用法 在什么情况下,英语单词的前面要加the 什么词的最高级前面可以不用加the the same reason 的前面应该加什么 （ ）there the red house?It is near the river前面加什么啊