When you listen to an airport announcement, which of the following information you should listen to carefully?
A、Flight number.
B、Destination.
C、Boarding gate.
D、All of the above.
大学英语：英语语言技能提高方法

章节列表

Unit 1 Approaches to Enlarging Your Vocabulary14Unit 2 Approaches to Improving Listening Skills30Unit 3 Approaches to Improving Speaking Skills28Unit 4 Approaches to Improving Reading Skills19Unit 5 Approaches to Improving Writing Skills30Unit 6 Approaches to Improving Translating Skills10