[ Present Continuous Tense ]
They _________their classroom now.
A. Are cleaning
B. am cleaning
C. is cleaning
D. cleaning

Random Topics:
Present Simple vs Present ContinuousVerb, Object, PrepositionVerbs & Phrasal VerbsGrammar and VocabularyVerb AgreementArticles with SubstancesSo or SuchSentence TypesComparisionTake or PutOther quiz:
Past Simple vs Past Continuous › ViewI __________ my car when it __________ to rain.
A. was driving / started
B. drove / was starting
C. drove / started
D. was driving / was starting
Grammar › View
WHOSE DOGS ARE THESE?
A. IT IS LUIS’S DOGS
B. THEY ARE LUIS’ DOGS
C. IT IS LUIS’ DOGS
Grammar › ViewTim _________ play football at the club on Tuesdays.
A. doesn´t
B. don’t
C. not
during, for, while › View
He scored a goal ___ the second half of the match.
A. while
B. during
C. for