Few students can understand the sentence until ittwice or three times.[ ]A. explainsB. is explained

题目简介

Few students can understand the sentence until ittwice or three times.[ ]A. explainsB. is explained

题目详情

Few students can understand the sentence until it        twice or three times.  
[     ]
A. explains      
B. is explained  
C. will be explained      
D. has explained
题型:单选题难度:中档来源:专项题

答案

B

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