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1.Read the passage and put a suitable word in each of the gaps

Model traffic lights are an American invenntion . Red-green system were installed in Cleveland (1).........1914.Three-color signals were (2).......in New York in 1918. They used (3).........be operated by hand from a tower in the middle of the street . The first light of the type appeared in London , on the junction between St.Jame Street (4).......Piccadilly, in 1925. Automatic signals were installed a year later. In the past, traffic lights used to (5).......very special. In New York, some light used to (6).........a statue on top

 

Nguyễn Lê Huỳnh Hương
11 tháng 11 2018 lúc 12:09

Model traffic light are an American invention . Red-green system were installed in Cleveland in 1914 . Three color signals were traffic light in New York in 1918 . They used to be operated by hand from a tower in the middle of street.The first light of the type appeared in London,on the junction between St.James and Piccadilly,in 1925. Automas signals were installed a year later .In the past , traffic lights used to be very special . In New York , some light used to put a statue on top .


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