用恰当的关系代词或关系副词填空:1.My brother has become a doctor,___was what he wanted to be.

问题描述:

用恰当的关系代词或关系副词填空:1.My brother has become a doctor,___was what he wanted to be.
2.In the forest we observed some trees___the leaves were black with disease.

1.My brother has become a doctor,(which) was what he wanted to be.
2.In the forest we observed some trees (where) the leaves were black with disease.