回上一層第三部 第四課 --- 請重複跟讀，直到可以於聲音檔的留空之間唸完整句為止；熟練之後您必將可以 "脫口而出" 地說出標準的美式英語
- call back
- Ask her to call me back later.
- call for
- The occasion calls for speedy decision making.
- Susan will call for you tomorrow morning.
- call off
- They called the wedding off when it began to rain hard.
- Please call off your dogs before they bite me.
- call on
- The school calls on the students to clean the campus.
