[ Past Tenses ]
They __________ (debug) for two hours before they found the error.
A. debugged
B. had debugged
C. were debugging
D. had been debugging
Select your answer:
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Modal Verbs of Deduction and SpeculationModals of AdviceComparative AdjectivesArticles and PrepositionsRelative ClauseGrammar: is/are/was/wereSimple Present and Simple PastGrammar and VocabulariesCorrelative ConjunctionOther quiz:
Mixed General Quiz › ViewHowever, they are all ruled by one King or Queen and one Parliament ___ is based in London.
a. who
b. which
Prepositions › View
The government imposed sanctions ___ the country for its human rights violations.
A. on
B. against
C. towards