[ 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:
Adverbs and Adjectives › ViewA: Do you see Brian?
B: Oh, I think he is hiding. He is …….. a tree.
A. on
B. in front of
C. in
D. behind
Phrasal Verb › View
Yong Han ____________ we were going to surprise him for his birthday after Jenny accidentally included him in the group chat.
A. find out
B. figured up
C. figured through
D. figured out
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
