[ How much and how many ]
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:
Grammar › ViewI _________ in this subject and would like to take your course.
A. am interesting
B. am interested
C. interest
D. interested
Prepositions of Time › View
I usually take a walk __ the morning before I go to work.
A. in
B. on
C. at
D. of
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
