[ Tenses ]
Choose the best answer to complete the following answer:
While Trish ___ the living room, she heard a strange noise in the kitchen.
A. has cleaned
B. was cleaning
C. cleaned

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Noun, Adjective, and Adverb ClausesModal Verb, Passive VoiceInfinitives or GerundsGrammar and IdiomsPhrases and ClausesTenses StructureNouns as AdjectivesModal Verbs for Permission and ObligationAdverbial Clause / If / ComparativesCountable QuantifiersOther quiz:
Modals and Inversion › ViewChoose the correct modal: We ___ have taken a different route. (might/can)
A. might
B. should
C. must
D. can
Comparatives or Superlatives › View
He is ____________________ than Luis.
A. taller
B. tall
C. tallest
D. talls