这句话chance为什么用复数?his chances of being able to leave hospital in time were good

这句话chance为什么用复数?his chances of being able to leave hospital in time were good second chances为什么chance要用复数?那a second chance和the second chance呢 They have few chance to get there.这里chance 为什么不能用复数?为什么用little chance chance 不是可数名词吗？机会。 All his classes finish at five in the afternoon.这句话中All是什么意思?class为什么用复数? there is little chance of meeting him again .这句话为什么用meeting 这句话为什么用another?你能给我一次机会吗?can you give me another chance?能不能写成can you give me other（或others) chance? danny thought it was his chance这句话怎么有两个谓语啊? they give you a chance to rest between exercises为什么这里exercises用复数? In his twenties 这句话 twenties为什么是复数啊? 一句英语语法的问题~Blinded by a meaningless imperfection and impossible goal,Aylmer had thrown away her life and with it his chance for happiness.这句话中的with it 和后面的his chance是什么?并列? His family are music lovers.他的家人都是音乐爱好者.这句话对吗?表示家人不是应该用 复数形式吗 his families 除了复数的情况外,什么情况下单词后面加S?例:He lives by his pen.这句话中的live为什么要加s?还是不太懂. everybody, that is ,except his six-year-old daughter这句话that is 怎么理解? six-year-old 为什么不用复数?是合成词?///////////////////////////////////// sam usually does his lessons_____than his classmates(slow) 这句话用比较级,为什么答案是要加more His favorite fruit is apples.这句话正确么?名词是不是一定要加复数?谓语动词要变为复数么? 快考试!a few children had the chance to receive a good education.为什么chance不用复数 What we need are good doctors这句话为什么要用复数丫, some people are sitting on the chair这句话中chair要用复数吗为什么