He studies in Nanjing for two years before he came here.

问题描述:

He studies in Nanjing for two years before he came here.
He studies in Nanjing for two years ( ) ( ) here.改同意句,填两个词!
He likes his mother very much.They look the same.这题改错!

He studies in Nanjing for two years ( ) ( ) here.改同意句,填两个词!
这句话时态不对,应该用过去时.
He studied in Nanjing for two years (before) (coming) here.
He looks like his mother very much.They look the same.