[ Vocabulary ]
What do you call a group of mountains that usually forms a line?
A. a mountain peak
B. a mountain ridge
C. a mountain range
D. a mountain ring

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Speech TensesInfinitive FormsGrammar / PronounsNoun, Quantifiers and SuffixesQuantifiers, Countable and Uncountable NounsQuantifierPassive Modals, Impersonal PassiveSentence and FragmentAdverb of Frequency and Past Continuous TenseAll, Both, Neither, None, EitherOther quiz:
Relative & Modals › ViewFill in the blank with the word or phrase that most naturally completes the phrase: ________ someone to continue
A. difference
B. encourage
C. generation
D. pay attention
E. skill
Question Tags › View
You aren’t twenty-one, ___?
a. have you
b. are you
c. do you