Topics: Past Tenses
They __________ (monitor) the application when the system crashed.
A. monitored
B. was monitoring
C. had monitored
D. were monitoring
Select your answer:

Random Topics:
Present Continuos TenseGrammar Error Correction (Simple Present Tense)Mixed Present TensesCountable QuantifiersComplex Sentences with Adverb ClausesPersonal pronouns + possessive adjectives + Introgative pronounsRelative PronounConjunctions - Conjunctive AdverbsGerund - to Infinitive Adverbs of frequencyOther quiz:
Modal Speculation › ViewYou _______ met him at the party last week.
A. had
B. will
C. did
D. have
Leach vs. Leech › View
What medical instruments were used when sick people were …?
(a) leached
(b) leeched
