our class has fifty students.为什么用has不用have

our class has fifty students.为什么用has不用have Our class has fifty students改为同义句 Our class has fifty students.的同义句 Our class has fifty students.（改为同义句） Our class has fifty students.(句意不变,改写) Our class has fifty students(改为同一句） our class has fifty student.(改为同义句）—— ——fifty students in oour class. our class has fifty student.(改为同义句）—— ——fifty students in oour class. There are________than fifty students in our class. our class has fifty —five students this term.（同义句改写）—— —— —— —— in our class. There ara more than fifty students in our class.改为同义句：There are( )fifty students in our class There are fifty students in our class 的同意句 _ _ fifty students in our class There are fifty students in our class.(对划线部分提问)fifty是划线部分. There are fifty-five students in our class(对fifty-five 提问) there are fifty boy’s in our class 对画线部分提问fifty是划线部分 There are fifty-six students in our class.in our class做什么成分啊? 英语：写出同义句There are more than fifty students in our class.There ________ fifty students in our our class. 几道初一暑假英语题!帮帮忙!一,同义句转换.1.I have no erasers. I( )( )( )erasers.2.All of the children are wolking hard.The children（ )( ）wolking hard.3.Our class has fifty students.( )( )fifty students( )our class.