this English boy is good.this后加什么还是不加
this English boy is good.this后加什么还是不加
this is 后加"a pen "还是"pen ",为什么"this is paper"可以不加?"these are
this kind of shoes后加are 还是is
this is the first time 后加什么时态
this后加单数还是复数
this后面为什么加is,不加are或am
This book is on the desk不加is
this kind of后加名词的单数还是复数
this kind of后加单数还是复数
this model of...后加单数还是复数
I to bear this is some burden 这里为什么要加TO,不加的话有什么不同吗
This is English boy.name is Tom.He is thirteen