[ Grammar ]
Choose the sentence with the correct placement of commas.
A. How do I turn on this computer, Mr. Thomas?
B. How do I, turn on this computer Mr. Thomas?
C. How do I turn on this computer Mr. Thomas?

Random Topics:
Present Perfect TenseAdjectives and comparisonsIrregular verbsModals and ResponsibilitiesComparatives and SuperlativesSimple Present TensePossessive Adjectives and Possessive PronounsObject PronounPrepositions - ConjunctionsQuestion Tags in Verb TensesOther quiz:
Subjunctive › ViewJohn would rather … for a swim than … tennis.
A. went – played
B. go – play
C. going – playing
D. to go – to play
Grammar › View
Jack’s sister ___ her friend in London last year.
A. has visited
B. visited
C. visit
Simile, Metaphor or Personification › ViewThe whined like a puppy.
A. Simile
B. Metaphor
C. Personification
D. Neither
Vocabulary › View
an organism that kills another for food or nutrients
A. predator
B. prey
C. symbiosis
D. mutualism
