Question

Not until the work was ________ go to bed last night．

[　　]

A．

he finished

B．

finished did he

C．

had he finished

D．

finished he did

Answer 1

答案：B
提示：

not until连接的句子位于句首，not until从句的谓语动词不倒装，主句谓语动词实行半倒装。