She had three sons,all ___ became doctors.A.who B.whose C.of

She had three sons,all of whom became doctors.这里面的连词为什么用whom （1）She had three sons,all____became doctors.A of which B whi She had three sons,all___became doctors. She had two sons,______ became teachers.A,both of them B bot she is the girl__sings best of all.a.which whose c.who d.who She had two sons,__________became doctors ( )_____ is she?_____mother is she?A whose;who B who;who C w Mr Brown has three sons,two of them are doctors,______is a p He has five brothers,two ____are doctors.A.whose B.of whom C who is the oldest of ___ three?jim is.A your B yours C you D Mr.Whte has two sons,___ looks like him.A:all of them B:both 英语翻译There was once a man who had three sons.He had no fortun