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Choose the best word or phrase to complete each sentence.
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a. astronomer
b. candidates
c. evaporation
d. orbital
e. potential
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| 6. |
The country is among the
to host the next Olympics.
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| 7. |
Galileo was an early
who built one of the first telescopes.
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| 8. |
Lack of rain and
caused the pond to dry up.
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| 9. |
The government is investigating several
terror threats.
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| 10. |
The asteroid is expected to cross the
path of Earth.
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