15.My mother was cooking while I the radio. A.listened to B.have listened to C.was listening to D.is listening to 查看更多

 

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My mother was cooking while I      the radio.

A.listened to                            B.have listened to

C.was listening to                         D.is listening to

 

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My mother was cooking while I____ the radio.

A.listened to

B.have listened to

C.was listening to

D.is listening to

 

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