[ Passive Voice ]
Since the 1970s, computers ________ at a low enough cost to allow individuals to own a personal computer.
A. will be produced
B. have been produced
C. are produced
D. were produced

Random Topics:
Personal PronounsPast Simple VerbsModals and PhrasesPresent Perfect ContinuousSimilesGerunds and InfinitivesPhrase or ClauseNumbersGrammar - Present PerfectPresent Perfect and Simple Past TenseOther quiz:
Past Tenses › ViewWhen Sarah …. at the party, Paul …. home.
A. was arriving, was already gone
B. had arrived, already went
C. arrived, already went
D. arrived, had already gone
Passive Voice › View
Why did Tom keep making jokes about me? – I don’t enjoy_________ at.
A. be laughed
B. laughing
C. to be laughed
D. being laughed
Perfect Tenses › ViewThe aeroplane ______________ ! Roslan is late again.
A. has take off
B. had took off
C. has taken off
D. have taken off
Grammar › View
Choose the synonyms of the adjective given.
big
A. wide
B. clever
C. enormous
D. kind
