The old man has two sons, ____ are lawyers. [ ]A. both of them B. both of who C. both of whom D. bot
[ ]
题目简介
The old man has two sons, ____ are lawyers. [ ]A. both of them B. both of who C. both of whom D. bot
题目详情
[ ]
B. both of who
C. both of whom
D. both of they
答案