[ Grammar ]
They ______ their classroom.
A. cleans
B. clean
C. is cleaning

Random Topics:
If- ConditionalIrregular verbsAdverbEmployment VocabularyNoun, Pronoun, Adjective, VerbProgressive TensesGerund - to Infinitive Quantifiers with NounsPreposition & GerundQuestion TagOther quiz:
Modal Verbs › ViewYou ______________ take any photos in the museum. It’s not allowed
A. can
B. must
C. should
D. mustn’t
Active & Passive › View
Sara …………………………. her keys.
A. was lost
B. lost
