问几道英语的句型转换题诶Mary's visiting her aunt for vacation.(改为一般疑问句)_
问几道英语的句型转换题诶 Mary's visiting her aunt for vacation.(改为一般疑问句) ______Mary ______her aunt for vacation? Have a good time in Hong Kong.(同义句替换) ______ ______in Hong Kong. I am going hiking in the mountain.(对going hiking提问) ______are you ______ in the mountain?