VOCABULARY BUILDER pen-pal = /ˈpen ˌpal/ (noun) a person with whom one becomes friendly by exchanging letters, especially someone in a foreign country whom one has never met. sound = /sound/(verb) convey a specified impression when heard. run = /rən/ (verb) be in charge of; manage (be) into = /ˈinto͞o,ˈin(t)ə/ (preposition) expressing movement or action with the result that someone or something makes physical contact with something else attend school = /əˈtend skul/ (verb) be present at school distant = /ˈdistənt/ (adjective) far away in space or time. commuter train = , (noun) a train that people use to get to and from work. magnificent = /maɡˈnifəsənt/ (adjective) impressively beautiful, elaborate, or extravagant; striking. mother tongue = /ˈˌməT͟Hər ˈtəNG/ (noun) the language which a person has grown up speaking from early childhood. half (sister/brother) = (noun) sister or broher who is related to her sibling(s) through only one parent sl