按要求完成句子.
问题描述：
按要求完成句子.
1、 They're English books.(改为单数形式）
2、 Those are ___black_jacket___.(对划线部分提问）
3、 His base ball is under the chair.(改为复数句）
4、 They are in my dresser.( 改为一般疑问句）
答
1.It is an English book.
2.What are those?
3.Their base balls are under the chairs.
4.Are they in your dresser?
祝你进步!