How ___ trees do we need to produce enough oxygen for a person?
A. Many
B. Much

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Common Grammar Mistakes and Spelling TipsGrammar and EssayTenses and ComparisonsGrammar - used toTenses and PronounsSimple Present & Present ProgressiveShould, Should not haveSo, Such, Many, Muchanother/the others/each other/one anotherNouns, Pronouns, Antecedents, and Singular and PluralOther quiz:
Modal Verbs and Conditionals › ViewHow would you respond to the situation below: An elephant jumps into the swimming pool.
A. Everyone should get out in case all of the water splashes out.
B. Everyone may get out in case all of the water splashes out.
C. Everyone might get out in case all of the water splashes out.
D. Everyone can get out in case all of the water splashes out.
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What is a noun?
A. An action word
B. A descriptive word
C. A person, place, thing, or idea
Conjunction › ViewThe conductor_______gives the musicians non-verbal signals with his hands or by using a small stick called a baton.
A. whether
B. either
C. neither
D. both
Grammar › View
I will never forget _____ to London for the first time. It was amazing!
A. to go
B. going