| 1. |
Early in 1916, the Germans on (an, the) western front decided it was time to break the deadlock. |
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| 2. |
(A, An) car's engine has many parts. |
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| 3. |
(A, An) bear cub climbs a pine tree and licks the bark. |
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| 4. |
More than five hundred thousand French soldiers died in (an, the) Battle of Verdun. |
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| 5. |
Girls sewed clothing and rolled bandages to be sent to (a, the) battlefields. |
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| 6. |
The whale shark is (a, the) biggest fish in the sea. |
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| 7. |
After a hunt and a big meal, (a, an) cheetah likes to rest awhile. |
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| 8. |
In (a, an) rowboat we use two oars. |
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| 9. |
With (a, an) loud roar, a male elephant seal warns other males to stay away. |
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| 10. |
Waves are caused by (a, the) wind blowing and rippling up the water. |
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| 11. |
Our teacher waited for John to give her (a, an) answer to the math problem. |
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| 12. |
(A, An) earthquake's damage can cost millions of dollars. |
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| 13. |
We have (a, an) oak tree in our front yard. |
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| 14. |
(A, The) more muscles are used, the larger and stronger they become. |
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| 15. |
When you cut (a, an) onion, it can make your eyes burn and water. |
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| 16. |
Calcium is (a, the) most common mineral found in our bodies. |
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| 17. |
Jason wants to become (a, an) architect when he gets older. |
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| 18. |
Jupiter, (a, the) largest planet in our solar system, is so big that 1,300 Earths could fit inside it. |
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| 19. |
Sometimes you can see (a, an) rainbow in the sky after it rains. |
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| 20. |
(A, An) apple a day keeps the doctor away. |
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| 21. |
An artifact is (a, an) object made by people. |
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| 22. |
Tom received (a, an) acceptance letter from the local college. |
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| 23. |
You should not eat (a, an) meal just before bedtime. |
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| 24. |
Kathy goes to (a, an) aerobics class on Tuesdays. |
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| 25. |
Kerry has (a, an) ostrich for a pet. |
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