Lesson 47 The great escape大逃亡
First listen and then answer the following quesion.
听录音,然后回答以下问题。
What is one of the features of modern camping where nationality is concerned?
Economy is one...
Lesson 47 Too high a price?代价太高?
Listen to the tape then answer the question below.
听录音,然后回答以下问题。
What does the writer describe as an 'amusing old-fashioned source of noise'?
Pollution is t...