32.40 MB
Lesson 71 A famous clock_知识拓展（成人版）.flv2022-05-12
24.42 MB
Lesson 70 Red for danger_知识拓展（成人版）.flv2022-05-12
31.08 MB
Lesson 69 But not murder_知识拓展（成人版）.flv2022-05-12
18.87 MB
Lesson 67 Volcanoes_知识拓展（成人版）.flv2022-05-12
17.37 MB
Lesson 66 Sweet as honey!_知识拓展（成人版）.flv2022-05-12
20.86 MB
Lesson 65 Jumbo versus the police_知识拓展（成人版）.flv2022-05-12
19.39 MB
Lesson 64 The Channel Tunnel_知识拓展（成人版）.flv2022-05-12
22.66 MB
Lesson 63 She was not amused_知识拓展（成人版）.flv2022-05-12
19.07 MB
Lesson 62 After the fire_知识拓展（成人版）.flv2022-05-12
23.08 MB
Lesson 61 Trouble with the Hubble_知识拓展（成人版）.flv2022-05-12
23.18 MB
Lesson 59 In or out_知识拓展（成人版）.flv2022-05-12
18.63 MB
Lesson 58 A blessing in disguise_知识拓展（成人版）.flv2022-05-12
29.94 MB
Lesson 55 Not a gold mine_知识拓展（成人版）.flv2022-05-12
22.15 MB
Lesson 54 Sticky fingers_知识拓展（成人版）.flv2022-05-12
20.44 MB
Lesson 53 Hot snake_知识拓展（成人版）.flv2022-05-12
24.75 MB
Lesson 52 A pretty carpet_知识拓展（成人版）.flv2022-05-12
15.71 MB
Lesson 51 Reward for virtue_知识拓展（成人版）.flv2022-05-12
18.08 MB
Lesson 50 Taken for a ride_知识拓展（成人版）.flv2022-05-12
97.67 MB
Lesson 49 The end of a dream_知识拓展（成人版）.flv2022-05-12
46.12 MB
Lesson 48 Did you want to tell me something_知识拓展（成人版）.flv2022-05-12
29.43 MB
Lesson 47 A thirsty ghost_知识拓展（成人版）.flv2022-05-12
33.66 MB
Lesson 46 Expensive and uncomfortable_知识拓展（成人版）.flv2022-05-12
19.33 MB
Lesson 45 A clear conscience_知识拓展（成人版）.flv2022-05-12
29.24 MB
Lesson 44 Through the forest_知识拓展（成人版）.flv2022-05-12
20.71 MB
Lesson 43 Over the South Pole_知识拓展（成人版）.flv2022-05-12
20.86 MB
Lesson 41 Do you call that a hat_知识拓展（成人版）.flv2022-05-12
43.42 MB
40.3 Lesson 40 Food and talk 知识拓展（成人版）.flv2022-05-12
58.84 MB
39.3 Lesson 39 Am I all right 知识拓展（成人版）.flv2022-05-12
37.35 MB
38.3 Lesson 38 Everything except the weather 知识拓展（成人版）.flv2022-05-12
25.09 MB
37.3 Lesson 37 The Olympic Games 知识拓展（成人版）.flv2022-05-12
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