[ Auxiliary Verbs ]
What __________ the girls doing in their room last night?
A. is
B. are
C. was
D. were

Random Topics:
On, At, ByPronouns ( Interrogative )Grammar (was, were, could, could not)Clauses and ConjunctionsPresent Perfect vs Past SimpleGrammar Error Correction (Simple Present Tense)Do not- Does notGrammar and ReadingConjunctions and Verb TensesGrammar SuffixesOther quiz:
Grammar › ViewWe drank too _____________ soda in the break.
A. much
B. many
C. any
D. some
Comparative Adverbs › View
Our team played ____________ than last time.
A. worse
B. badder
C. more badly
Determiners › ViewWe celebrate New Year on … 31st of December.
A. a
B. an
C. the
D. –
Tenses › View
Yesterday, I ______ my friend at the train station.
A. meet
B. met
C. have met
D. meeting