选出画线部分发音不同的单词A.mum B.run C.cute
( )The doctor often tells him ____ more exercise.
( )- Can you sing the song in English? -- No, I ____.
( )Bruce, look at your dirty shoes. You'd better _____ them right now.
( )I met Kate on _____ way home yesterday.
( ) It's hot _____ summer in Beijing.