[ Grammar ]
They ________ the computer long time ago
A. have invented
B. has invented
C. invented
Random Topics:
Nouns as AdjectivesPronoun Antecedent AgreementConditional ClauseSimple Past TensesReflexive Pronouns & Modal VerbsSimple Verb TensesAll, Both, Neither, None, EitherModal Auxiliary VerbsPresent Perfect TenseSimple Present Tense with Adverb of FrequencyOther quiz:
Grammar & Vocabulary › ViewThe house was __ by trees.
A. stunning
B. sheltered
C. decorated
Tenses › View
Their car broke down while they _____________ home.
A. were driving
B. was driving
C. had driven