·down the radio the baby's asleep in the next room．A. TurningB. To turnC. TurnedD. Turn

问题补充：

·down the radio the babys asleep in the next room．

A. Turning

B. To turn

C. Turned

D. Turn

答案：

A. Turning

B. To turn

C. Turned

(答案→)D. Turn

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