Not until the motorbike looked alomst new________repairing andcleaning it.
问题描述:
Not until the motorbike looked alomst new________repairing andcleaning it.
A.he stopped
B.did he stop
C.stopped he
D.he did stop
为什么选择B?
答
B.did he stop
Not until 放句首时,主句要倒装,语序是“助动词或情态动词或系动词+主语+谓语.”本句没有情态动词或系动词,故要加一个助动词did(过去时)