[ Grammar ]
Mobile phones … when I was a child.
A. were not invented
B. had not been invented
Select your answer:
![](https://grammarquiz.net/static3/wait.gif)
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Present Perfect Simple & ContinuousPrepositions and ArticlesPast SimpleVocabulary and GrammarConditionals / Unreal PastComparison Degree & GerundsSimple Past ContinuosReported Speech and TensesPassive Voice & TensesOther quiz:
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A. had caught – would be
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We have ….. Japan three times
A. visit
B. to visit
C. visiting
D. visited
E. visits