[ Vocabulary ]
What is the meaning of Turbulence
A. To sweep through the air
B. Air disturbance resulting in movement
C. Used to control a machine

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Verbs and Subject Verb AgreementPresent Perfect: for/sinceComparisonRoot WordGrammar and Sentence CorrectionKinds of NounsBasic GrammarVerb FormsConjunctions, Interjections and Sentence TypeConditionals and Modal VerbsOther quiz:
Grammar › Viewdiscover information
A. find out
B. hand out
C. hold back
Tenses › View
Which tense is used to describe an action that started in the past and was still happening at another specific moment in the past?
A. Past Perfect Continuous
B. Past Continuous
C. Past Perfect
D. Present Perfect Continuous
