-How do you think he managed to improve his English in such a short time?-______ four hours on it ev

题目简介

-How do you think he managed to improve his English in such a short time?-______ four hours on it ev

题目详情

-How do you think he managed to improve his English in such a short time?
-______ four hours on it every day.
[     ]
A.Because of spending
B.To spend   
C.By spending
D.Spending 
题型:单选题难度:中档来源:新疆自治区模拟题

答案

C

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