He is one of the students, who, I’m sure, always do best.A. his B. myC. one’s D. their

发布时间：2020-08-17 14:11:12

He is one of the students, who, I’m sure, always do     best.
A. his
B. my
C. one’s
D. their

网友回答

A. his
B. my
C. one’s
(答案→)D. their
解析：who always do their best是一个非限定性定语从句，修饰students，I’m sure是插入语。
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