[ Grammar ]
The striated ______ walls are the result of erosion and frost weathering having exposed layers of multicolored sedimentary rock.
Which choice completes the text so that it conforms to the conventions of Standard English?
A. patterns’ of a canyons
B. patterns of a canyons’
C. pattern’s of a canyon’s
D. patterns of a canyon’s
Select your answer:

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Verb PhraseModals of Necessity and SuggestionConjunctions, Interjections and Sentence TypeGrammar - Reflexive PronounsGrammar CorrectionArticles and DeterminersNoun ClausePresent Simple ProgressivePrepositions after Verbs and AdjectiveGerund after Prepositions and Certain VerbsOther quiz:
Subject Verb Agreement › ViewA playful kitten ___ (chase/chases) the red ball.
A. chase
B. chases
Modal Verb in Passive Voice › View
The rules ____________ (may, forget) quickly.
A. may forgotten
B. may be forgot
C. may be forgotten
D. may be forget
