1) Nicer(the nicest), shorter(the shortest), faster(the fastest), smaller(the smallest), happier(the happiest).2) much, much, a lot, many.3) a cup of tea, a glass of water, a bottle of milk, a piece of cake, a package of oranges.4) Must, must, nust.5) giraffe, hippo, crocodile, lizzard.1) nicer(the nicest), fatter(the fatest), thinner(the thinnest), taller(the tallest), funnier(the funniest).2) many, much, much, a lot of, a lot of.3) a piece of cake, a package of oranges, a bottle of milk, a cup of tea, a glass of water. 4) mustn`t, must, must.5) Не очень понимаю, что зна животные, но тут есть whale.