I'm sure that middle school students will benefit ________ taking exercise every day, which is

题目简介

I'm sure that middle school students will benefit ________ taking exercise every day, which is

题目详情

I'm sure that middle school students will benefit ________ taking exercise every day, which is
________ great benefit ________ their health.
[     ]
A . by; of; at  
B. from; of; to
C. of; by; to  
D. by; from; at
题型:单选题难度:中档来源:同步题

答案

B

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