To listen to the speech should first study the vocabulary first.Because the first step down a vocabulary of the English language.To listen we should listen to and practise speaking as frequently heard.Easy to remember is the necessary vocabulary groups.
To say it should listen to the words before the first word is because the atmosphere of English listening and speaking, we should listen to them, as the hearing is necessary to remember that simple vocabulary.
To speak, listen to study the vocabulary first.Because the vocabulary is a ladder step of English.We should often practice listening and speaking to hear.The simple is necessary phrase.