Переделайте словосочетания, поставив существительные в форму множественного числа.
A fallen leave, the stupid student, the German guest, a difficult subject, the broken window, the good marks, an interesting example, a modern plane, the old coin, a beautiful glass, the driving licence, a fresh tomato, a white ceiling, the biggest river, an interesting proposal, a standing person, the important addition, a tasty super, the endless day, the recorded talk, an angry goose, a bitter drink, the new teapot.