15. Reducing air pollution is one of five –of the solar energy. (beneficial )
16. Most people believe that solar energy systems could help --- water consumption . (reduction )
in at least rates.
17. In humans corona viruses can cause mild diseases like the common cold as well as more ------ diseases such as COVID-19. ( severity )
18. COVID-19 has been declared ---as a pandemic because of spreading rapidly in a particular area or region. ( office )
19. Most children in the UK remain in full-time ------ until they are at least 16 years old.( educate)
20. Are all Vietnamese students -------to wear uniform at school? ( compulsory)
VIII. Put the words in the correct order to make meaningful sentences.
21. enough electricity for/ can provide / for hundreds of years/ Nuclear energy/ the world’s needs. //
à Nuclear energy
22. but also/ plentiful and infinite/ Solar energy/ not only/ clean and safe/ is. //
è Solar energy