A series of problems _______ at the national conference. [ ]A. wrote down B. came up C. added upD. w

题目简介

A series of problems _______ at the national conference. [ ]A. wrote down B. came up C. added upD. w

题目详情

A series of problems _______ at the national conference.   
[     ]

A. wrote down    
B. came up    
C. added up    
D. went through

题型:单选题难度:中档来源:河北省月考题

答案

B

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