[ Grammar ]
The world’s first electronic computer ______ by the University of Pennsylvania in 1946.
A. was building
B. built
C. was built
D. has built

Random Topics:
Types of PrepositionSimple and Continuous TensesTravel VocabularyAdverb Clauses of Time-ing / InfinitivePresent TensePersonal PronounIf- ConditionalAdjectives and VocabularyHelpful PhrasesOther quiz:
Grammar › ViewMy grandparents have got two ___ .
A. cows
B. cow
C. cows
Grammar › View
Which sentence is NOT a compound sentence?
A. I enjoy reading books, and my brother likes playing video games.
B. She ran to the store, but it was closed.
C. After the game, we went out for ice cream.
D. I wanted to call you, so I picked up the phone.
Grammar › ViewTrue or False: A subject is not always one word. Sometimes an entire phrase acts as the complete sentence.
A. TRUE
B. FALSE
Modal Verbs › View
He _______ eaten all the cookies; the box is empty!
A. must have
B. might have
C. should have
D. would have