学英语懂英语的走过路过千万别错过.1Theoldmanhavetwosonsandoneof（——）isteacher2Theoldmanhavetwosons,oneof（——）isteacher32Theoldmanhavetwosons；oneof（——）isteacher他们的.最好

Question

学英语 懂英语的 走过路过千万别错过.
1 The old man have two sons and one of （——） is teacher
2The old man have two sons ,one of （——） is teacher
32The old man have two sons ；one of （——） is teacher
他们的 .最好详解.

Answer 1

them;whom;them