[ Tenses - Passive Voice ]
The cooks … the kitchen since an hour ago.
A. clean
B. cleaned
C. are cleaning
D. have cleaned

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Conjunction: Because and SoIdiomsCollective NounsGerund or to InfinitiveSimple and Continuous TensesNoun PhraseOffering HelpQuestion tag and + - AgreementBasic GrammarAbilityOther quiz:
Grammar › View____ you been to Japan?
A. Is
B. Have
C. Has
Subject-Verb Agreement › View
The colors of the festival costume ________ beautiful.
A. Is
B. Are
C. Was
D. Were
Do you like the red hand bags __________ the blue ones?
A. and
B. but
C. or
D. at
Grammar › View
The dog had managed to _____ the collar that was choking him.
A. lose
B. loose
C. loosen
D. lost
