[ 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
Select your answer:

Random Topics:
TOEFLVerbs & AdverbsPast ParticiplesRegular and Irregular VerbsVerbal TensesTo Infinitive/Bare Infinitive/GerundsPronouns and Subject Verb AgreementSimple TenseThird ConditionalsMixed Present TensesOther quiz:
Grammar › ViewThey said, “We are busy today.”
A. They said that they were busy that day.
B. They said that they had been busy.
Grammar and Vocabulary › View
What makes corruption possible on such a global scale isn’t just greed, the misuse of power or that _______ phrase “weak governance”.
A. flowery
B. wordy
C. purple
D. nebulous
