[ Grammar ]
The fireman jumped out of the window when he saw the gas tank _____.
A. explode
B. exploded
C. exploding
D. had been exploded
Select your answer:

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Grammar - SimilesModals for ObligationVocabulary and ModalsQuantifiers / Prepositions of Time and Comparative AdjectivesFuture TenseVerb ConjugationWill or Going toGerunds + To InfinitiveLinkers and ConjunctionsPassive Voice and ModalsOther quiz:
Grammar › ViewWe have known our teacher _____ two years.
A. since
B. for
Adjectives and Adverbs › View
Which word in the sentence is an adjective? “The fluffy cat slept on the couch.”
A. fluffy
B. slept
C. couch
D. on
