1.在下列名词前加a或am,在写出其复数形式.1.（）tomato,()2.()apple,()3.()orange,()4.()box,()5.()boy,()6.()woman,()7.()sheep,()8.()knife,()9.()child,()10.()story,()

Question

1.在下列名词前加a或am,在写出其复数形式.
1.（ ）tomato,( ) 2.( )apple,( )
3.( )orange,( ) 4.( )box,( )
5.( )boy,( ) 6.( )woman,( )
7.( )sheep,( ) 8.( )knife,( )
9.( )child,( ) 10.( )story,( )

Answer 1

1.（ a ）tomato,( tomatoes ) 2.( an )apple,( apples )
3.( an )orange,( oranges ) 4.( a )box,( boxes )
5.( a )boy,( boys ) 6.( a )woman,( women )
7.( / )sheep,( sheep ) 8.( a )knife,( knives )
9.( a )child,( children ) 10.( a )story,( stories )
①一般都加-s
②以s,x,sh,ch结尾加-es
③有生命的o结尾加-es 黑人英雄爱吃土豆番茄.里面包含的单词分别是：黑人negro;英雄hero; 土豆potato; 番茄tomato.
其余o都加-s
④以f,fe结尾变f,fe为v加-es
这些小学基本够用了
楼主如果要特殊的,我给可以给你