練習(xí)材料： Lesson75 SOS When a light passenger plane flew off course some tim...

練習(xí)材料 Lesson74 Out of the limelight An ancient bus stopped by a dry river...

練習(xí)材料： 練習(xí)材料 Lesson73 The record-holder Children who play truant from scho...

練習(xí)材料： Lesson72 A car called Bluebird The great racing driver, Sir Malcol...

?練習(xí)材料： 練習(xí)材料： Lesson71 A famous clock When you visit London, one of the f...

?練習(xí)材料： 練習(xí)材料： Lesson70 Red for danger During a bullfight, a drunk suddenl...

Lesson69 But not murder! I was being tested for a driving license for th...

練習(xí)材料： Lesson68 Persistent I crossed the street to avoid meeting him, but...

練習(xí)材料 Lesson67 Volcanoes Haroun Tazieff， the Polish scientist, has spent ...