She is (having an English class)对括号内句子提问

把She is having an English class改成否定句 She is having an interview Dr Dong now.改错 She is used to having an Oxford English dictionary ____ easy reach when she is working. she is having an English class对划线部分提问having an English class是划线部分 she is having an English class 是什么 意思,这种表达对吗 she is having an English class. 什么意思 表达对吗 谢谢 She is (having an English class)对括号内句子提问 She is an American. Is she an apple? She is an American. she is having breakfast now 改为一般现在时 she （ ）breakfast she is an english 改错she is an English She is an good girl. She is an english对吗 she is a(an)是什么意思 She is an American ,__________? 英语短文,Mrs.King is an American doctor.She is now in China.She works in a Children,s Hospital in Beijing.She is also learning Chinse medicine there.She likes Chinese very much.She loves working for children.She works hard in the day and reads En Not having received an answer ,she decided to write another letter .请问 having 为何 不能省略?