Close
Log in and study English
easily with CAS English.

Upgrade your English conversation with input and output!

Make your English conversation
more colorful with AI Study

Textbook image
Writing made easy? Write with AI Study and get AI corrections! Try AI Study >

Webbooks

Have fun conversations with your teacher on new topics every day!

Today's New Content

News South Korea Stage Comeback to Beat Czechia at World Cup

한국, 역전승으로 체코 꺾고 월드컵 쾌조 출발

South Korea Stage Comeback to Beat Czechia at World Cup

Beginning English How to Keep Your House Tidy Every Day

매일 집을 깔끔하게 유지하는 방법

How to Keep Your House Tidy Every Day

Freetalking Being on Time: How Early is Early Enough?

시간 약속: 얼마나 일찍 가야 충분할까?

Being on Time: How Early is Early Enough?

News FIFA Faces Criticism for High World Cup Ticket Prices

FIFA, 지나치게 높은 월드컵 티켓 가격으로 비판 받아

FIFA Faces Criticism for High World Cup Ticket Prices

Junior Regular Advanced Music While Studying: Helpful or Distracting?

공부할 때 듣는 음악, 도움이 될까? 방해가 될까?

Music While Studying: Helpful or Distracting?

Junior Regular Intermediate Did Pirates Really Use Treasure Maps?

해적은 정말 보물 지도를 썼을까?

Did Pirates Really Use Treasure Maps?

News Thai Citizens Welcome Stricter Visa-Free Travel Rules for Foreign Visitors

태국 시민들, 외국인 무비자 입국 규정 강화에 환영

Thai Citizens Welcome Stricter Visa-Free Travel Rules for Foreign Visitors

Business Dialogues Sharing Honest Feedback with Colleagues

동료와 솔직한 피드백 나누기

Sharing Honest Feedback with Colleagues

Intermediate English South Korean Government Withdraws Mixed-Gender Hospital Ward Plan

한국 정부, 혼성 병실 계획 철회

South Korean Government Withdraws Mixed-Gender Hospital Ward Plan

Beginning English Young Koreans Are Saying No to Alcohol

술을 멀리하는 한국의 젊은 세대

Young Koreans Are Saying No to Alcohol

Free Talking

Show More
Being on Time: How Early is Early Enough?

시간 약속: 얼마나 일찍 가야 충분할까?

Being on Time: How Early is Early Enough?

Are Gender Roles Still Relevant Today?

오늘날에도 성 역할이 의미가 있을까요?

Are Gender Roles Still Relevant Today?

Splitting the Bill: Fair or Unfriendly?

더치페이: 공평한 걸까, 정 없는 걸까?

Splitting the Bill: Fair or Unfriendly?

Why Koreans Love Baseball Season

한국인이 야구 시즌을 사랑하는 이유

Why Koreans Love Baseball Season

Moving Day: Stress or Fresh Start?

이사하는 날: 스트레스일까, 새로운 시작일까?

Moving Day: Stress or Fresh Start?

What's Your Dream Car?

당신의 드림카는 무엇인가요?

What's Your Dream Car?

Are We Putting Too Much Faith in MBTI?

우리는 MBTI를 너무 믿고 있는 걸까?

Are We Putting Too Much Faith in MBTI?

The Rise of Weight-Loss Medications

비만 치료제의 부상

The Rise of Weight-Loss Medications

News Discussions

Show More
South Korea Stage Comeback to Beat Czechia at World Cup

한국, 역전승으로 체코 꺾고 월드컵 쾌조 출발

South Korea Stage Comeback to Beat Czechia at World Cup

FIFA Faces Criticism for High World Cup Ticket Prices

FIFA, 지나치게 높은 월드컵 티켓 가격으로 비판 받아

FIFA Faces Criticism for High World Cup Ticket Prices

Thai Citizens Welcome Stricter Visa-Free Travel Rules for Foreign Visitors

태국 시민들, 외국인 무비자 입국 규정 강화에 환영

Thai Citizens Welcome Stricter Visa-Free Travel Rules for Foreign Visitors

Over 50% of U.S. Teens Are Looking at Their Smartphones Late at Night

새벽까지 핸드폰을 놓지 못한다, 미국 청년의 50% 이상

Over 50% of U.S. Teens Are Looking at Their Smartphones Late at Night

Early Voter Turnout for Local Elections in South Korea Hits Record High

한국 지방선거, 사전투표 열기 역대 가장 높아

Early Voter Turnout for Local Elections in South Korea Hits Record High

Starbucks Korea Faces Backlash After Controversial “Tank Day” Promotion

스타벅스 코리아, ‘탱크 데이’ 이벤트에 비판 쇄도

Starbucks Korea Faces Backlash After Controversial “Tank Day” Promotion

Gift Restrictions Overshadow Teachers' Day Celebrations

“카네이션도 조심”… 달라진 스승의 날

Gift Restrictions Overshadow Teachers' Day Celebrations

South Korean Buddhist Sect Welcomes Robot Monk

한국 불교계, 로봇 스님을 환영하다

South Korean Buddhist Sect Welcomes Robot Monk

CAS PDF Textbooks

Practice and discuss with your teacher using materials created by CAS English!

freetalking-book-1
freetalking-book-2
freetalking-book-3
freetalking-book-4
freetalking-book-5
freetalking-book-6
freetalking-book-7
beginner-book-1
beginner-book-2
dialogue-book-1
dialogue-book-2
dialogue-book-3
idiom-book-1
idiom-book-2
idiom-book-3
business-book-1
business-book-2
starter-english-for-kids-1
basic-english-for-kids-1
basic-english-for-kids-2
children-book-1
children-book-2
children-readntalk-1
children-readntalk-2
children-readntalk-3
phrase-book-1
phrase-book-2
opic-questions
basic-conversation
reading-comprehension-1
job-interview-1
Close
< Page navigation >
The full textbook is only available to CAS English students. If you are a student, please log in to view the textbook.
캐스AI