根据汉语提示用单词或词组的适当形式填空，使句意完整、正确。(5分)
– What do you think of the song Gangnam Style ?
– _______(完美的). It was very popular last year.
– The cake is too expensive.Would you like to show me a_________(便宜的)one?
– Sure.Here you are.
English is one of the most important__________ (语言)in the world.
–What do you usually do in your free time?
– I often ____________(种植)flowers in the garden.
Please________(查找)these new words in the dictionary.