[ Phenomenon(s) vs. Phenomena ]
These amazing natural … occur on earth.
(a) phenomenon
(b) phenomena
(c) phenomenons

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Give, do and makeRun-On SentencesWh- Questions Present Simple TensePersonal & Possessive PronounsModifiersActive-Passive VoicesTenses - Pasive VoicePunctuating ClausesTransition WordsProgressive TensesOther quiz:
Grammar › ViewI … this book. I know everything about it.
A. have read
B. am reading
C. read
D. was reading
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If we go ______ for spring break, we will have a good time.
A. their
B. there
C. they’re