[ Present Simple and Present Continuous Tense ]
It’s very noisy upstair! What……..?
A. are they doing
B. they doing
C. do they doing
Select your answer:

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Past Simple, Present Perfect TenseGrammar & VocabularyModal VerbGrammar - must & have toGrammar (either..or.. and neither..nor..)Participle - ing/ edAdverbial ClauseGrammar-Present Continuous-Sentence MakingSimple Present & Present ProgressiveSimple Present Continuous TenseOther quiz:
Definitions, Synonyms › ViewCritical
A. Incriminating
B. Disparaging
C. Cynical
D. Exacting
Vocabulary › View
“I’m leaving now.” “What time will you _______?”
A. go
B. be back
C. wait
D. stop
