... BILLIONS AND BILLIONS OF STARS EXIST IN THE VAST SPACE BEYOND...

22. - 2000 TEST EXAM WITH A AND B DOCX
2000 TEST EXAM WITH A AND B DOCX

22. ... billions and billions of stars exist in the vast space beyond our Milky

Way galaxy.

a. That is estimated

b. An estimate that

c. That the estimate

d. It is estimated that

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