[ Grammar ]
If the tracks that make up the New York City subway were laid end to end, they will have been stretching from New York to Chicago.
A. NO CHANGE
B. stretch from
C. stretching from
D. would stretch from

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PhrasesAll, Both, Neither, None, EitherComparatives and SuperlativesModal Verbs and Gender NounsFuture - be going toVocab and GrammarDemonstrative PronounsGrammar: Simple Past and Past ContinuousSubordinating ConjunctionsVerb FormOther quiz:
Grammar › ViewI wish I (be) taller.
A. am
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Conditional Sentences and Adverbs › View
If I ______ the lecture would hold, I would have attended it
A. know
B. knew
C. known
D. had known