The engineer my father works is about 50 years old. A. to whom B. on whom C. with which D.

发布时间：2020-08-17 12:18:37

The engineer     my father works is about 50 years old.
A. to whom
B. on whom
C. with which
D. with whom

网友回答

A. to whom
B. on whom
C. with which
(答案→)D. with whom
解析：with whom引导定语从句.with whom放在从句中即为:my father works with the engineer.
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