[ 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:
Verbs & Verb Tenses › View. What tense is used in the sentence: “They will climb the mountain”?
A. Past tense
B. Present tense
C. Future tense
D. Present perfect tense
E. Future perfect tense
Adverbial Clause / If / Comparatives › View
I haven’t seen Tom _____ he gave me this book.
A. since
B. for
C. until
D. Before
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
