[ Vocabulary ]
Sustainable energy includes…
A. fish and animals
B. solar, hydro and wind
C. coal, oil and gas
D. rocks, minerals and earth
Select your answer:

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Vocabulary and Grammar › View. What does the word “peace” refer to?
A. A period of war and conflict
B. A calm and quiet situation without trouble
C. A difficult challenge
D. A group of people working together
Prepositions of Time and Place › View
‘Don’t sit _____ the grass,’ Tim’s mother said. ‘It’s wet’.
A. on
B. in
C. at
