楼主第二个句子打错了吧?
1.Is this cat heavier than that dog?
2.Amy doesn't like playing the piano.
或:Amy doesn't like to play the piano.
doesn't也可以全写成:does not
楼主第二个句子打错了吧?
1.Is this cat heavier than that dog?
2.Amy doesn't like playing the piano.
或:Amy doesn't like to play the piano.
doesn't也可以全写成:does not