16Hit1600
Standard English ConventionsEasy–MediumPeriod before a new sentence beginning with 'It'

Standard English Conventions practice question

The observatory was built in ____ it was the first in the country with an electric drive.

Which choice completes the text so that it conforms to the conventions of Standard English?

  1. A. 1902.Correct
  2. B. 1902,
  3. C. 1902
  4. D. 1902 and,

Answer: A. 1902.

Two independent clauses: end the first with a period.

Why the other answers are wrong

B. 1902,
A comma alone is a splice.
C. 1902
No punctuation is a run-on.
D. 1902 and,
A stray comma after 'and'.

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