[ Phenomenon(s) vs. Phenomena ]
These amazing natural … occur on earth.
(a) phenomenon
(b) phenomena
(c) phenomenons
Select your answer:
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Nouns and Quantifiers › ViewWho do you turn to for ______ when you have a problem?
A. advices
B. advice
Grammar › View
He __________ very hard now.
A. works
B. has been working
C. is working
D. work