topic 1 : talk about speaking cuontry that you know + what is the name ò country..? +where is it ? + how is the landmark, peole, language ,weather ,food ... here? + what do you like best about this country ? topic2: talk about one famous invention in science and technology that has been very useful to poeple all over the world + what invention is it ? + when was it invented? + who invented it ? + how is it? what does it look like ?) + what is it useful for ?