Question

I was told that there were about 50 foreign students()Chinese in the school,most()were from Germany

定语从句

Answer 1

I was told that there were about 50 foreign students(who studied)Chinese in the school,most(of whom)were from Germany

Answer 2

learning
of which
第一个是现在分词短语做定语 第2个是定语从句

Answer 3

learning; of whom 是人,不能用which

Answer 4

learning
of which