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How about ______ to the music?

A．listen

B．listens

C．to listen

D．listening

Betty is a very good girl．She always ________ the teacher carefully in class．

A．listen to                  B．listens to                 C．listens                    D．listening to

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A．listen to　　　B．listening to　　　C．listening　　　D．listens to

Mike's best friend enjoys ________ to music.

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