[ 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:
Grammar › ViewWhich word is a proper noun?
We can go on Tuesday.
A. We
B. Tuesday
C. go
Modals › View
When Dan was 16, he _____ run 100 metres in 11 seconds.
A. can
B. could
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
