[ Adverb and Noun Clauses ]
………….. of all modern domestic poultry is the red jungle fowl is widely believed.
A. The ancestor
B. The ancestor is
C. How the ancestor
D. That the ancestor

Random Topics:
Grammar - to beComparative and Superlative AdverbsPast PerfectTenses and StructuresPassive Voice in Past and Present TensePrepositions after VerbsLinkers and ConjunctionsModals for Necessity and SuggestionsRelative & ModalsGerunds as objects of prepositionOther quiz:
Grammar › ViewI ________ (never/ be) to Canada.
A. have never been
B. never has been
C. was never
D. never was
Verb & Grammar › View
Which word is an adjective in this sentence: “The blue car is fast”?
A. blue
B. car
Articles › ViewMs Florida felt that her marriage had become ____ prison.
A. a
B. the
C. O
D. an
Conditional Sentences Type I, II › View
If I….. him, I would quit my job and start a business.
A. am
B. were
C. is
D. are
