It's useful____ English well.[ ]A. learn B. to learnC. learned D. Iearns-八年级英语

题目简介

It's useful____ English well.[ ]A. learn B. to learnC. learned D. Iearns-八年级英语

题目详情

It's useful____ English well.   
[     ]
A. learn            
B. to learn    
C. learned          
D. Iearns
题型:单选题难度:中档来源:同步题

答案

B

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