[ Grammar ]
Three years ago, he found that the processor he will of been using wasn’t the right one.
A. NO CHANGE
B. Three years ago, he found that the processor he had been using wasn’t the right one.
C. Three years ago, he found that the processor he been using wasn’t the right one.
D. Three years ago, he found that the processor would have been using wasn’t the right one.

Random Topics:
Past Tense & Past Continuous TensePossessive Nouns with Apostrophes and PronounsArticles and NounsSimple Present Continuous TenseZero and First ConditionalsFirst Conditional, Future Time ClausesSubordination ConjunctionsConditional and SubjunctivePrepositions of MovementPronouns and AntecedentsOther quiz:
Question Tags › ViewYour brother doesn´t like visiting the zoo,
A. Does your?
B. Does he?
C. Doesn’t he?
Grammar and Vocabulary › View
Only wealthy boys ________ go to school in ancient Egypt.
A. did
B. had
C. could
Numbers › ViewWhat is this number?
A. Thirty-nine
B. Thirteen-nine
C. Thirty-neni
Grammar › View
The hunter __?__ into the woods early in the morning.
A. snuck
B. sneaked