♠특징
Unit 4
1. Phonics : 마지막 자음을 반복해야 하는 경우, 복합어, air/are/ear, 마지막 e를 빼야하는 경우, oi/oy, 동음자, kn, wr, un-, re-, au/aw, 소유격

2. Vocabulary
①mixed, batter, rolled, dough, sugar, galze, oven, crumb
②grumpy, hungry, mediumsized, cozy
③volcano, disaster, pitch, erupting, lava
④kind, considerate, charming, sweet, horrid, wicked
⑤auditons, theater, ballet, stunning, imaginary, amazing

3. Grammar
①not의 단축형
②주어와 동사의 일치
③인용부호
④주어와 동사의 일치
⑤불규칙 동사 go, do

Unit 5
1. Phonics : ue, ew, ough, homophones, ea, -er,-est, ou, -y, -ly, st, -nd, 복합어, 3-letter blends, 2음절어

2. Vocabulary
①crooned, squeaked, cried, chirped, hissed, sighted gasped, cheered
②frozen, drifts, skidded, swirling, bitter, howling
③whales, humpback, calves, dive, blew, spout, blowhole
④hoot, howl, scream, scolded, shrieked, shouts
⑤shapes, vivid, patterns, painting, sculpture, style, texture, mobile

3. Grammar
①부사
②소유격
③형용어
④불규칙 동사 give, take, come
⑤be의 단축형

Unit 6
1. Phonics : ch, tch, 동음자, 복합어, 불규칙 동사, gh, ph, -tion, ore, oor, or, our, 접두사, 접미사, i/y

2. Vocabulary
①pictures, crayons, paint, charcoal, paintbrushes, paintings
②hydrants, helmet, flashlight, doorstop, gear, walkie-talkes, equipment, uniforms
③free, country, independence, war
④secretly, freedom, hounds, scent, journey
⑤sipped, tea, bouquet, company, tray, feast, hostess, munched

3. Grammar
①감각을 나타내는 형용사
②쉼표
③제목 대문자로 쓰기, 약어
④시제의 일치
⑤대명사 I와 Me