It was ____ the old worker came that we ____ the experiment.A.until; didn’t beginB.not until; beganC

题目简介

It was ____ the old worker came that we ____ the experiment.A.until; didn’t beginB.not until; beganC

题目详情

It was ____ the old worker came that we ____ the  experiment.
A.until; didn’t beginB.not until; began
C.until; beganD.not until; didn’t begin
题型:单选题难度:偏易来源:不详

答案

B                       
本题句式结构为强调句型。强调until引导的时间状语从句,要把not放于until之前。  

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