Situation : Mali is asking her teaher, Mrs. Smith, for help.
Mali : Excuse me, Mrs. Smith. ...(51)...? I want to ask you something.
Mrs. Smith : Yes, of course.
Mali : I don't understand one word which I heard from the television yesterday.
Mrs. Smith : ...(52)...?
Mali : A pandemic
Mrs. Smith : Well, a pandemic is a disease outbreak that spreads over several countries or continents.
Mali : Is the COVID-19 a pandemic?
Mrs. Smith : ...(53)... It's spreading all over the world. So, you have to wash your hands often with soap and ...(54)...
Mali : ...(55)... Thank you very much, Mrs. Smith.
Mrs. Smith : Any time.
