Question

Not unti his fellows criticized him _______ to admit his mistake.

A．does he begin

B．did he begin

C．began he

D．had he begun

Answer 1

B

not until 位于句首，句子使用部分倒裝。觀察句子，從criticized可知句子應(yīng)與過去有關(guān)，排除A；C答案為完全倒裝。
點評：倒裝分為部分倒裝和完全倒裝。要分清他們的概念及使用規(guī)則。