[ Tenses Usage ]
Renewable energy _____ a key role in achieving global sustainability.
A. play
B. plays
C. playing
D. played

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Pronoun › ViewEach of these founding fathers has left ________mark on the world.
A. Their
B. His
C. Her
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I haven’t got …………….. biscuits.
A. some
B. any
C. a
D. an