[ Grammar ]
According to some theories, the Giza Pyramids ___ using huge mamuts to move the rocks.
A. might have been built
B. might have been builded
C. might had been built
D. might have being built

Random Topics:
So or SuchSubject-Verb AgreementPassive with ModalsPast Perfect SimplePresent, Past, and Future TimeRelative Clauses beginning with PrepositionsSimple Present & Present ProgressiveThe Past SimpleConjunctions and TransitionsConjunctive AdverbOther quiz:
Will and Will not › ViewWe haven’t got any money, so we. . .go on holiday this year.
A. Will
B. Won’t
Grammar › View
describes sounds made by vibrations of the vocal folds
A. voiced
B. visioned
C. vacant
D. viable
Grammar- Later/Latter › ViewJeremy got to ____ than Mary did.
A. latter
B. later
Grammar › View
Dana _____ up at 6:30 this morning.
A. wake
B. woke
C. walk
D. walked
