[ Grammar ]
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:
Conjunction › ViewYou had better hurry ____ you’ll be late for work.
A. for
B. yet
C. and
D. or
Conditional Sentence › View
If you ________ careful with electricity, you might get a shock.
A. don’t
B. won’t
C. wouldn’t
D. aren’t
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
