Introductory Element Commas

Your first name & middle-, last-name initials Your e-mail address Your nickname (for checking the gradebook)

Directions: Select the sentence in which the introductory-element comma rule is correctly applied (you may have to scroll to see all of the items), click the corresponding letter, and then press Check answer:

Item 1 of 10

  1. Because the odds are against stumbling across alien chatter by chance most scientists believe that another civilization will be detected only if it is sending out a signal designed to be noticed: one that sweeps the cosmos in a distinctive pattern, using a frequency that could be deduced logically.

  2. Because, the odds are against stumbling across alien chatter by chance most scientists believe that another civilization will be detected only if it is sending out a signal designed to be noticed: one that sweeps the cosmos in a distinctive pattern, using a frequency that could be deduced logically.

  3. Because the odds are against stumbling across alien chatter by chance, most scientists believe that another civilization will be detected only if it is sending out a signal designed to be noticed: one that sweeps the cosmos in a distinctive pattern, using a frequency that could be deduced logically.

  4. Because, the odds are against stumbling across alien chatter by chance, most scientists believe that another civilization will be detected only if it is sending out a signal designed to be noticed: one that sweeps the cosmos in a distinctive pattern, using a frequency that could be deduced logically.

Answer A   Answer B   Answer C Answer D

     


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