[ Grammar ]
The Incas __________ Machu Picchu.
A. are building
B. build
C. built

Random Topics:
Sentence Structure and Verb TensesSubordination ConjunctionsRelative Clauses with who and whichDo not or Does notPunctuationFunctional Sentence TypesModal and Relative PhrasesGrammar - Imperatives and LetAdverbial ClauseWish SentencesOther quiz:
Gerund vs Infinitive › ViewI don’t mind _____ a barbecue at the weekend.
A. have
B. to have
C. having
Grammar › View
A ____ is a person, place, thing, or idea.
A. noun
B. adjective
C. adverb
D. interjection