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----- Nội dung ảnh -----
The traffic light signal was invented by a railway signaling engineer. It was installed (26) ____ The House of Parliament in 1868. It (27) ____ like any railway signal of the time, and was operated by gas. (28) ____, it exploded and killed a policeman, and the accident (29) ____ further development until cars became common.
(30) ____ traffic lights are an American invention. Red-green (31) ____ were installed in Cleveland in 1914. Three-color signals, (32) ____ by hand from a tower in the (33) ____ of the street, were installed in New York in 1918. The (34) ____ lights of this type to (35) ____ in Britain were in London, on the junction between St James's street and Piccadilly in 1925.
26. A. outside
27. A. resembled
28. A. However
29. A. forbade
30. A. New
31. A. methods
32. A. worked
33. A. heart
34. A. original
35. A. show
----- Nội dung ảnh -----
The traffic light signal was invented by a railway signaling engineer. It was installed (26) ____ The House of Parliament in 1868. It (27) ____ like any railway signal of the time, and was operated by gas. (28) ____, it exploded and killed a policeman, and the accident (29) ____ further development until cars became common.
(30) ____ traffic lights are an American invention. Red-green (31) ____ were installed in Cleveland in 1914. Three-color signals, (32) ____ by hand from a tower in the (33) ____ of the street, were installed in New York in 1918. The (34) ____ lights of this type to (35) ____ in Britain were in London, on the junction between St James's street and Piccadilly in 1925.
26. A. outside
27. A. resembled
28. A. However
29. A. forbade
30. A. New
31. A. methods
32. A. worked
33. A. heart
34. A. original
35. A. show