句型：unit1：Where is your pen pal from?He's from….Where is John's pen pal from?He's from….Where does he live?He lives in….unit2Is there a supermarket?Yes,there is./No,there isn't.Where is the park?….unit3Why do you like pandas?Because…Why does he like……?Because…unit4What do you do?I'm a…What does he do?He'...
