Fill in the blanks.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   Antibiotics      bacteria      coronavirus      dangerous      digest      get rid of      nutrients      rubbish      useful      vaccinated   
To Anne: Covid 19 is caused by a new . are useful for treating diseases caused by , not viruses. A better way to protect yourself from viruses in general and coronaviruses in particular is to get .
To Joe: Not all bacteria are bad or . Some bacteria are for our body and nature, for example, some can help us to food or absorb , some can help to decompose in nature. Therefore, we should not try to them all.