读到一个句子是 Maria studies harder than does the boy seated in the corner.
他原本应该是两句
Maria studies harder than the boy does.
The boy is seated in the corner.
我想两句合并是Maria studies harder than does the boy (who is) seated in the co
rner.
我在想本来有who is ，但是who is 省略 ，不知道这样想对不对 谢谢