I. Getting started

QIANTU

Did you play hopscotch when you were little? What are the rules?

II. Vocabulary in use

catch   v. 接住

用法：作及物动词，后接名词或代词，如：catch the ball 接住球。还可以表示“抓住；捕获”的意思，如：catch fish 捕鱼。