She is reading a book,isn't her?这句话哪里错了?

make a boo boo she is reading a book对reading a book提问 is she reading or cleaning?A Yes,she is.B No,she isn’t .C she’s reading. she is reading a very interesting book.改为感叹句 把She is reading a book.改为否定句 she is reading a book___a farmA withB aboutC for She is reading newspaper ,a newspaper ,newspapers,是哪个? Look!She is reading a book( ) hobbies（填介词） She is reading a story( )tears( )her eyes(填空） she is reading (a newspaper).对括号部分提问 She is reading(a story).对括号部分提问 She is reading a magazine.改成否定句 she is reading a book now.对reading a book 提问 She is reading books loudly. Impeek-a-boo What's Tom's father doing?____ a,she' reading b,He's reading c,Tom is reading d.his reading.做注 ___Mary cleaning her room?No,she is _____.A.Does,reads B.Can,read C.Is,reading D.Does,reading ____mary cleaning her room ---no,she is ___ A.does,reads B.can,readC.is,reading D.does,reading