You should work hard ____ your maths.[ ]A. to improveB. improve C. improving D. improved-八年级英语

题目简介

You should work hard ____ your maths.[ ]A. to improveB. improve C. improving D. improved-八年级英语

题目详情

You should work hard ____ your maths.  
[     ]
A. to improve  
B. improve  
C. improving  
D. improved
题型:单选题难度:中档来源:同步题

答案

A

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