[ 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:
Grammar › ViewThat was the day _____ I first met Ann.
A. which
B. that
C. where
D. when
Vocabulary › View
Lemon is………..
A. sweet
B. bad
C. sour
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
