[ 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:
Independent and Dependent Clauses › ViewWhat is the subordinating conjunction?
Unless we get rain soon, the flowers will die.
A. flowers
B. unless
C. die
D. soon
Grammar › View
A : Was it fun at the party?
A. Yes, it wasn’t.
B. Yes, it did.
C. No, it wasn’t.
D. No, it didn’t.
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
