He is going to buy a science book.

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/15 01:53:16

He is going to buy a science book.

He is not going to buy a science book.

He is not going to buy a science book.在is后面加个not就OK了

He is not going to buy any science book.

He will not buy a science book.