The farmer was very thankful to the doctor treated his son.A. whatB. whichC. whoD. whose

发布时间：2020-08-16 12:37:51

The farmer was very thankful to the doctor      treated his son.
A. what
B. which
C. who
D. whose

网友回答

A. what
B. which
(答案→)C. who
D. whose
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