[ Grammar ]
It’s very noisy upstairs! What __________________ ?
A. are they doing
B. they doing
C. do they do

Random Topics:
Grammar (either..or.. and neither..nor..)Nouns and QuantifiersPaired ConjunctionTag QuestionTense,noun,preposition,quantityPassive SentenceGrammar - too & enoughUnreal ConditionalsAdverbs and AdjectivesPronouns and AdverbsOther quiz:
Modal Verbs › ViewWhen Tom was a child, he __________ very fast.
A. can run
B. could runs
C. cans run
D. could run
Tenses › View
. She _______ attending the conference next week because of a personal commitment.
A. isn’t
B. doesn’t
C. wasn’t
D. don’t
Subject - Verb Agreement › ViewCurry and rice _______ my favorite food.
A. is
B. are
C. been
D. to be
Conjunctions and Transitions › View
She enjoys dancing; __________, her sister prefers singing.
A. In the same way
B. For instance
C. In conclusion
D. However
