If someone is suffering from ~, they sneeze and their eyes itch, because they are allergic to grass or flowers.
N-UNCOUNT
If someone is suffering from ~, they sneeze and their eyes itch, because they are allergic to grass or flowers.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012