[ Grammar ]
“I wonder why Shane didn’t call the authorities?”
“I’m sure he would have called them if he ___ what would happen.”
A. knew
B. would have known
C. had known
D. will know

Random Topics:
Dependent PrepositionGrammar TOEFLPresent Perfect TenseModal Verbs for SpeculationPast simple vs Present perfectVocabullary TestConjunctions and PronounsDemonstrative Pronouns and Verb TensesGrammar - FuturePresent Progressive or Present SimpleOther quiz:
Modal Verbs › ViewYou ___ study hard if you want to pass the exam.
A. can
B. must
C. might
D. could
Grammar › View
What is the prepositional phrase in the sentence?
Logan eats a big breakfast before every exam.
A. eats a big breakfast
B. every exam
C. before every exam
D. a big breakfast
Adjective › ViewPlease tell me an ___ story.
a. interested
b. interesting
Subject Verb Agreement › View
My family and I …………………. at the cinema.
A. is
B. are
C. am
