1.Those are apples.（改为单数句） That___ ____ ____.
问题描述：
1.Those are apples.（改为单数句） That___ ____ ____.
2.Is that your eraser?(作否定回答)
____,____ _____.
3.Is this his book?(改为复数句)
Are ____ his ____?
答
That is an apple.
No,it isn't.
Are these his books?