Question

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

Answer 1

D

解析:

句意：他把摩托车擦洗和修补的和新的一样时才停下来。Not until引导的状语从句位于句首时，主句部分需部分倒装。