Напишите подходящее по смыслу слово: You’ll never learn how to speak English fluently if you don’t __________. It’s ______ to leave without saying goodbye. _________ is all the words in a language. I didn’t want to _________ you, sorry. What’s an _______ temperature in Khabarovsk in summer? It take a lot of ________ to play the guitar well. My teacher thinks that this grammar ____ is very important.