[ Verb to be ]
They ____ brushing their teeth.
A. is
B. am
C. are

Random Topics:
Future Tense VerbFuture Perfect vs Future ContinuousPassive Modals, Impersonal PassiveRequest with Modal VerbsArticles and NounsDemonstrative Pronouns and Verb TensesSentence Structure and Verb TensesReported Speech and SubjunctiveDemonstrative SpeechVerb BEOther quiz:
Countable & Uncountable Nouns › ViewThere is no room on the bus. There are ___ people
A. too many
B. too much
C. not enough
Vocabulary › View
What is an adult male pig?
A. A mare
B. A calf
C. A boar
D. A buffalo
Last weekend, we ______ a family photo at the beach.
A. take
B. took
Grammar › View
Sorry, I listening. What did you say?
A. weren’t
B. was
C. were
D. wasn’t
