Mobile phones … when I was a child.
A. were not invented
B. had not been invented

Random Topics:
Simple Present and Present ContinuousGrammar - Future ActionPresent Progressive (Future)Simple Present and Past TenseGerund & InfinitiveGrammar and ReadingGrammar Comma UsageFuture Simple TenseComparatives and ConjunctionsTenses & PassiveOther quiz:
Passive Voice › ViewThe film adaptations of the first three books ________________(release) in 2008, 2009, and 2010.
A. The film adaptations of the first three books are released in 2008, 2009, and 2010.
B. The film adaptations of the first three books were released in 2008, 2009, and 2010.
C. The film adaptations of the first three books have been released in 2008, 2009, and 2010.
Grammar › View
Tell whether the capitalized word is a noun or adjective.
I always wear my WATERPROOF jacket on rainy days.
A. adjective
B. noun
Conjunctions › ViewComplete the sentence: I want _______ a cookie _______ a piece of cake.
A. neither…nor
B. not only…but also
C. either…or
D. both…and
Gerund or Infinitive › View
I remember _______________ her when I was at high school.
A. meet
B. meeting
C. to meet
