heaven knows
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see god knows.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Words nearby heaven knows
heave-ho, heave-ho, give the, heave into sight, heaven, heaven-born, heaven knows, heavenly, heavenly days, heaven-sent, heavenward, heavenwards
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.