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

Random Topics:
Verb, Object, PrepositionPresent tense AffirmativePresent Simple and Present Continuous TenseAdverb of MannersFuture Tense - will and going toThere is or There areSentence Structure and Grammar RulesTransportation VocabularyGerund Subject or ObjectVerb to haveOther quiz:
Modals › ViewWhich of the following sentences uses “may have” correctly to express uncertainty?
A. She may have known the answer.
B. She may have be there.
C. She may have had been there.
D. She may have been there.
Unreal Conditionals › View
I wouldn’t go there ________________________.
A. if I was you.
B. if I would be you.
C. if I were you.
D. if I am you.
Grammar › ViewWe wanted to arrive on time; ______, we were delayed by traffic.
A. so
B. however
C. but
D. therefore
Grammar › View
Please be quiet! The baby … sleeping.
A. is
B. are
C. am
