[ Grammar Comma Usage ]
. In which sentence should commas be added to correctly format the date?
A. I was born on December 28 1999 so my birthday always comes during a vacation from school.
B. I graduated from high school on June, 1 2009.
C. September 11 2001 is a date that will be long remembered in America.
D. I was born on December 28, 1999, so my birthday always comes during a vacation from school.
Select your answer:

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Past Simple, Past Continuous, Past PerfectConditional Sentence Type 2 and Type 3Suffixes and TensesExclamationPast simple vs Present perfectAcademic Vocabulary1st ConditionalDefinite & Indefinite Pronoun & ConditionalsQuantifiers / Prepositions of Time and Comparative AdjectivesTenses and StructuresOther quiz:
Grammar › ViewI remember the night when I (read) the book, and it left a lasting impression on me.
A. read
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a. about
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c. through
