Topics: Tenses Usage
None of the renewable energy sources _____ completely free from environmental impact.
A. is
B. are
C. has been
D. have been
Select your answer:
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Grammar › ViewChoose the correct adverb of manner.
The lamp shone ________ in the room.
A. brightly
B. quietly
C. patiently
D. excitedly
Grammar and Vocabulary › View
She sometimes goes to the chess club and __________ chess. She usually has dinner at seven o’clock.
A. play
B. plays
C. played
D. playing