By the time the firefighters __________ (arrive), the fire __________ (already/destroy) the house.
A. arrived, had already destroyed
B. arrived, already destroyed
C. had arrived, had already destroyed
D. had arrived, already had destroyed

Random Topics:
Gerunds and TensesConjunctive Adverbs and PunctuationConjunction and PunctuationAuxiliaries VerbAdjective / Noun + to InfinitiveGrammar (Adjectives)Preposition of TimeDependent ClausesSecond ConditionalsIf/Unless - Conditional type 1Other quiz:
Prepositions › ViewThere is a special offer of two ______ one cake!
A. at
B. on
C. for
Present Simple Progressive › View
Every summer we______on the vaction,but this summer,because of the Corona,we_______here.
A. are flying,are staying
B. fly,stay
C. fly,are staying
D. fly,aren’t staying
Grammar › ViewSometimes we _______________ basketball during break time, but today I _______________ my homework.
A. are playing / am starting
B. plays / am starting
C. play / are starting
D. play / am starting
Grammar › View
One combination is not possible: _______ energy
A. solar
B. wind
C. oil
D. nuclear
