[ 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
Select your answer:
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Vocabulary › ViewMagn
A. Small
B. Short
C. Large, great
D. Warn
Grammar › View
Luke ____________ a car.
A. had been having
B. didn’t use to have
C. had had
D. didn’t used to