10. |
Cosmic rays are highly energetic particles, and when they collide with atoms, they (send, sent) other particles, such as neutrons, flying off in all directions. |
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11. |
In 1955, a riot (break, broke) out at an Elvis Presley concert in Jacksonville, Florida. |
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12. |
Although he could not think of an explanation, he refused to (give, gave) his assent to the project. |
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13. |
After the sandstorm the lens aperture was clogged with dirt, so we couldn't (take, took) pictures of the destruction. |
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14. |
Does chocolate compel you to (break, broke) your diet? |
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15. |
More meteors (is, are, am) visible after midnight because the earth's rotation has then positioned the observer's part of the earth in the direction of the earth's motion about the sun. |
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16. |
My brother feels that he has to intrude on me when I (is, are, am) on the telephone. |
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17. |
I do not like green beans, and I feel uneasy when I (is, are, am) made to eat them. |
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18. |
I did not eat breakfast this morning, so I (is, are, am) getting a little hungry now. |
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19. |
My older brother looks like a tower compared to me because I (is, are, am) so short. |
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