[ Modal Verb Gerund or To Infinitive ]
The room ________ once a day.
A. should clean
B. should be cleaned
C. should be cleaning
D. should have cleaned

Random Topics:
Compound Words and SentencesGerunds/InfinitivesFirst ConditionalsSentence Structure and PunctuationAcademic VocabularyAdverbsSubordination ConjunctionsHave as verb and auxiliaryActive vs. Passive VoiceGrammar - Compound SentencesOther quiz:
Vocabulary › ViewWhat is the definition of ‘equality’?
A. Attempt
B. Landscape
C. Expedition
D. state of being equal in rights, status, opportunities, or treatment
Grammar › View
A giraffe is ……………… animal of all.
A. high
B. higher
C. the highest
Grammar › View…………apple juice is there in the fridge?
A. How many
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Past Tense › View
When I got home, my parents ____________on the sofa.
A. was siting
B. were siting
C. were sitting
D. was sitting
