[ 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:
Conditional Sentences › ViewShe had to have the operation _______.
A. unless she would dies
B. if she would die
C. otherwise she will die
D. or she would die
Vocabulary & Grammar › View
You study Information ________ at school.
A. Computers
B. Technology
C. Subject
D. Class
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