[ Phenomenon(s) vs. Phenomena ]
Is air pressure a …?
(a) phenomenon
(b) phenomena
(c) phenomenons

Random Topics:
Adjective & AdverbsPresent Perfect and Past SimpleTransitionsAdverbs (manners & modifiers)Noun Phrases and Verb PhrasesGerunds and InfitinitivesModals with Perfect InfinitiveNoun, Verb, AdjectiveGrammar: Imperative and Exclamatory SentencesModals and Past ModalsOther quiz:
Grammar › ViewActive or Passive Voice?
The sun is totally eclipsed by the moon.
A. Active
B. Passive
Adjective › View
A: Bob Smith is a great boss. He tries to motivate all the employees .
B: He’s right. A _____ employee works a lot harder.
a. motivating
motivated
Mix-Tenses › ViewI’m so hungry, I _________________a sandwich
A. make
B. do
C. will make
D. will done
Grammar › View
__________________ is very bright tonight.
A. The sky
B. Sky
C. A sky
D. Skies
