Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. The speaker suggests the "Enigma Variations" because it is ______.

Which flight will the man probably takeA．Flight 1034 th...

单项选择题Which flight will the man probably take

What will the man probably do before he departs for Bei...

单项选择题What will the man probably do before he departs for Beijing

Instead of going out for a walk, the man suggests _____...

单项选择题Instead of going out for a walk, the man suggests ______.