this is his aunt.（变成一般疑问句）

将下列句子变成一般疑问句 This is her aunt.They are my sisters.I can brin His name is变成一般疑问句 This is my aunt.改为一般疑问句怎样改? She is my aunt.（改为一般疑问句） i this is an orang .（改为复数形式 this is his book 和That is an English dictionary 变成一般疑问句 并作肯定 This is a book变成一般疑问句 this is a clock变成一般疑问句 This is his dictionary(一般疑问句) This is his dictionary(改为一般疑问句) this is his key 改为一般疑问句 This watch is his?(改为一般疑问句) I am his aunt 如何变成疑问句