He _______ (not use) email before, so I _______ (show) him how to use it.
A. hadn’t used / showed
B. didn’t use / had showed
C. didn’t use / showed
D. hadn’t use / showed

Random Topics:
Zero Conditional SentencePassive of Modal VerbsPresent Simple & ContinuesArgumentative VocabularyPreposition and ConjunctionKnee AnatomyTo Infinitive/Bare Infinitive/GerundsNarrative, Past TensesComparison of Adjectives and AdverbsGrammar and PrepositionsOther quiz:
Perfect Tenses › ViewChoose the correct form of the verb in “Past Perfect Tense”.
The thief ________ (run) away before the police arrived.
A. had run
B. had ran
C. had not ran
Grammar › View
Choose the correctly formatted sentence:
A. “I hate you,” she said smiling.
B. “I hate you.” she said, smiling.
C. “I hate you,” she said, smiling.
D. “I hate you.” she said smiling.
Vocabulary › Viewfirst in importance; first in time or order; basic; an early election that narrows the choice of candidates who will run in a final election
A. verdict
B. primary
Preposition › View
Many people think ___________ ghosts in the old abandoned house.
A. to
B. with
C. for
D. of
