The secretary worked late into the night, _______ a long speech for the international conference. [

题目简介

The secretary worked late into the night, _______ a long speech for the international conference. [

题目详情

The secretary worked late into the night, _______ a long speech for the international conference.  
[     ]
A. to prepare              
B. prepared  
C. preparing                
D. was preparing
题型:单选题难度:中档来源:贵州省期末题

答案

C

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