The investigators have several ideas about what _______ caused the ... | GrammarQuiz.Net

[ Past Modals ]

The investigators have several ideas about what _______ caused the fire.

A. should have

B. might have

C. would have

D. wouldn’t have

Select your answer:

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Paired Conjunction Time Grammar - direct/indirect objects Direct-Indirect Speech Adverbs & to be Adjective Clauses Adverb Clauses of Time Grammar - Capitalization and Possessive Nouns Past Simple, Past Continuous, Past Perfect, Past Perfect Continuous Adverbial Clauses of Reason / Cause

Other quiz:

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I _____ (go) to the park yesterday.

A. go

B. went

C. will go

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I am …………………… a grammar book.

A. read

B. reading

C. reads

D. do read

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