[ Present Continuous ]
It’s very noisy upstairs! What ___?
A. are they doing
B. am I doing
C. they doing
D. do they do

Random Topics:
Prefixes SuffixesModals and Modal PerfectsGrammar: Imperative and Exclamatory SentencesPast simple regular verbsSubordinating and Coordinating ConjunctionsSimple Verb TensesComparative - SuperlativePhrase and ClausePast Continuous vs Past SimpleTransportation VocabularyOther quiz:
Vocabulary › ViewFor every argument against political activity there is a _____ as well.
A. discuss
B. counter-argument
C. characteristic
D. component
Grammar › View
The trend in _________ – when a company pays services from an outside supplier – has been very beneficial for some countries.
A. prosperity
B. outsourcing
C. specialty
D. influence
Past Tenses › ViewWe ____ to the hospital to visit Mike when he called to say that he was fine.
A. was driving
B. drove
C. were driving
D. will drive
Grammar › View
is / in / What / your / this / bag ?/
A. What is in this your bag?
B. What is this in your bag?
