Not until the motorbike looked almost new repairing and cleaning it.A. he stoppedB. did he

问题补充：

Not until the motorbike looked almost new repairing and cleaning it.

A. he stopped

B. did he stop

C. stopped he

D. he did stop

答案：

A. he stopped

(答案→)B. did he stop

C. stopped he

D. he did stop

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