关于名词复数的问题怎么判断名词的复数S应该加在什么地方例如1“Jim was late for two classes this morning.”he said that he forgot both of the ----.A.room number B.room number C.room's number D.room numbers2 After ten years,

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关于名词复数的问题怎么判断名词的复数S应该加在什么地方例如1“Jimwaslatefortwoclassesthismorning.”hesaidthatheforgotbothofthe----.A

关于名词复数的问题怎么判断名词的复数S应该加在什么地方例如1“Jim was late for two classes this morning.”he said that he forgot both of the ----.A.room number B.room number C.room's number D.room numbers2 After ten years,
关于名词复数的问题
怎么判断名词的复数S应该加在什么地方
例如1“Jim was late for two classes this morning.”he said that he forgot both of the ----.
A.room number B.room number C.room's number D.room numbers
2 After ten years,all those youngsters became____.
A.grown-ups B.growns-ups C.grown-up D.growns-up
在以上两道题中,例1选D,例2选A.应该怎么判断S加在哪个词后面?

关于名词复数的问题怎么判断名词的复数S应该加在什么地方例如1“Jim was late for two classes this morning.”he said that he forgot both of the ----.A.room number B.room number C.room's number D.room numbers2 After ten years,
很简单,规则都是加在名词后面,只不过1中整个room number是名词,而2中用短横线构造出的整个是名词,因此加在up后面咯.另外楼主注意,像1这种room number名词修饰名词而构成的名词只有两个例外:1是man 2是woman,比如单数 男老师:man teacher 复数:men teachers只有这种情况才是前后两个都要变复数的,否则就只在后面加s ,比如apple tree-》apple trees 中英文写了这么多,你看着给吧,还有问题可以留言给我

同意楼上的,你记住men teachers这个特例其它的就好办了,至于grown-up是一个词好不好,当然是在后面加s,难道你想把人家活生生拆开不成??