[ 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:
Tenses › ViewToday tropical plants ______ in the northern forests.
A. Grew
B. Grow
C. Will grow
Many vs. Much › View
____________ hours do you spend studying English in an average week?
A. How much
B. How many
We ____ 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?
