I thought you wanted me to invite him. (impression) I was you wanted me to invite him.
Giải thích
Đáp án: I was under the impression you wanted me to invite him.
Giải thích:
under the impression that...: tin, nghĩ rằng
Dịch: Tôi nghĩ anh muốn tôi mời anh ấy.