[ Grammar ]
Recuse teams………..for people trapped in the building while the firefighters …….. to put out the fire.
A. looked/had tried
B. looked/were trying
C. were looking/ had tried
D. were looking/ were trying

Random Topics:
Nouns FormationNouns as AdjectivesGrammar - Wh QuestionsFamily Members and Present SimpleFuture - Will and Be going toModals of AdvisabilityPast Simple VerbsClause Markers TOEFL GrammarExclamationPersonificationOther quiz:
Adjective vs. Adverb › ViewA flock of small birds flew above us
A. Adjective
B. Adverb
Present Tenses › View
Peter and Mary never_ to class on time.
A. Goes
B. Go
C. Gone
D. Going