[ 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:
Grammar › ViewOnce in a blue moon
A. a beautiful moon
B. something that happens very rarely
C. a blue moon
Grammar › View
I … the English exam well last year if I had learned harder.
A. would have passed
B. would pass
C. passed
D. had passed
Jeremy 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
