If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform

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so vs suchAdjectives & PrepositionsPresent Perfect and Present Perfect Progressive TensesPast Perfect Tense and Past TensePast TensesVocabulary and IdiomsNarrative, Past TensesAdverbs of How Something is DoneSynonyms and VocabularyHave as verb and auxiliaryOther quiz:
Grammar › ViewSelect the option where the apostrophe placement is most correct:
A. Have you painted the mens faculty bathroom yet?
B. Have you painted the men’s faculty bathroom yet?
Grammar › View
My mother said that she would rather ____ to Hoi An than Nha Trang.
A. to travel
B. travelling
C. not to travel
D. travel
Modal Verbs › ViewYou _________ work too hard. You’ll make yourself ill.
A. should not
B. cannot
C. must not
D. don’t need to
Active vs. Passive Voice › View
An ellipsis is used to ___.
A. shorten a quoted passage by omitting words or phrases
B. pause or hesitate in the middle of a sentence
C. indicate an incomplete thought
D. all answers are correct
