[ 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:
Grammar › ViewWe could cook diner. _________, we could buy some takeaway food.
A. therefore
B. On the other hand
C. Although
Adjectives and Prepositions › View
She is junior ________ me.
A. at
B. from
C. to
D. than
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
