Fill in the blanks with prepositions and articles (a, an, the & zero article):
It is needless to say that washing hands is very important for us. It is certainly (a) ______ important issue. Washing hands regularly can save us from a kind of infectious disease (b) ______ COVID-19. Washing hands with soap is (c) ______ must. We have to wash hands (d) ______ taking meal and (e) ______ using the toilet. Again, we should wash hands after touching sick members (f) ______ our family and pet animals. Washing hands is also strictly recommended after coming back (g) ______ outside. Washing hands in (h) ______ proper way may help us stay away from coronavirus. (i) ______ reason is that coronavirus spreads through touch. So, it is (j) ______ important to keep our hands clean.