[ Grammar ]
Mobile phones were invented _______ the 20th century
A. at
B. in
C. on
Select your answer:
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Other quiz:
Verb › ViewBefore the class began, Tina had warned us that it was very difficult.
A. Past Tense
B. Present Tense
C. Past Perfect Tense
D. Present Perfect Tense
E. Future Perfect Tense
Grammar › View
He wanted to go to London because he __________________ (NEVER BE) there before.
A. never was
B. had never been
C. were never
D. had never was
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