摘要
When we want to tell other people what we think, we can do it with the help of words or with the help of signs.We sometimes move our heads up and down when we want to say“yes”, and we sometimes move our heads from side to side when we want to say“no”.
出处
《中学生英语（初中版）》
2002年第12期14-14,共1页
English Journal for Middle School Students
