Question

she readabook变成一般疑问句

Answer 1

原句：She read a book.
改为一般疑问句：
Did she read a book？
原句中的read没有加s，可见这个句子不是一般现在时而是一般过去时，所以用did做疑问词。

Answer 2

Does she read a book?

Answer 3

Did she read a book?

追答

你好，以后有什么问题我可以帮你的

Answer 4

Did she read a book?