He was able to play the piano________the age of four.[ ]A. in B. of C. at D. to-七年级英语

题目简介

He was able to play the piano________the age of four.[ ]A. in B. of C. at D. to-七年级英语

题目详情

He was able to play the piano________the age of four.    
[     ]
A. in
B. of
C. at
D. to
题型:单选题难度:中档来源:同步题

答案

C

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