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th. Call your community to see if your water supply has fluoride added to it. You may want to ask your dentist or doctor about fluoride supplements for your children if your water is not fluoridated.
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옳은 것은?
① tooth-teeth ② wing-winges
③ baby-babys ④ fish-fishs
⑤ piano-pianoes
22. 다음 빈칸에 쓸 수 없는 것은?
Does she ?
① have parents
② live near my house
③ play the piano
④ teach English
⑤ is a teacher
23. 다음 중 밑줄 친 부분의 쓰임이 잘못된 것은?
① He writ
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tooth→teeth, mouse→mice, foot→feet, goose→geese, woman→women
louse→lice, child→children, ox→oxen
단, 복수형태가 같은 것 sheep, salmon, deer, swine, series, species, Chinese, Swiss
단수 복수가 뜻이 다른 명사(분화복수) : 출제 100% 반드시 외울 것(제발 외워라!)
lev
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teeth began hurting. She cried in her class at school, and her teacher said kindly, \"Why are you crying?\"
\"Because _________ hurts,\" answered Betty.
\"Speak to your mother about it,\" said the teacher. \"And then go and see the doctor.\"
The next day Betty\'s teacher asked her about the tooth. T
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tooth), 림(rim), 암(arm), 보스(boss)로 되어 있고,기어의 바깥지름이 작은 것은 암을 만들지 않고
원판상으로 하는 것도 있다.
(5) 기어의 종류
스퍼(Spur) 기어 가장 간단한 기어의 형태로서 기어의 치(Teeth)가 회전축과 평행인 기어이며
이는 다시
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