[ 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:
Modals › ViewIt wasn’t necessary to bring those books to class today.
A. You needn’t bring those books to class today.
B. You needn’t have brought those books to class today.
Correlative Conjunction › View
I love playing both violin ……. piano.
A. and
B. or
C. either
D. but also
E. neither
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
