Modern traffic lights are an American invention. Red-green systems 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 lights of this type appeared in London, on the junction between St. James 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 lights used to (6) a statue on top. In Los Angeles, the (7) did not just change silently, but would ring bells to wake the sleeping motorists of the 1930s. These are gone and have been replaced by modern systems that (8) seen everywhere now.
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Modern traffic lights are an American invention.Red-green systems were installed in Cleveland (1)...in...........
1914.Three-coour signas were (2)..........installed ..........in New York in 1918.They used (3).....to........be operated by hand from a tower in the middle of the street.The first lights of this type appeared in Lon Don,on the junction between St.James Street (4).......and.........Piccaadily,in 1925.Automatic signals were installed a year late.In the past,traffic used to (5).....be.......very special.In New York,some lights used to (6)....have........a statue on top.In Los Angeles,the (7)..........lights.........did not just change silently,but would ring bells to wake the sleeping motorists of the 1930s.These are gone and have been replaced by modern systems that (8)..........are.......seen everywhere now.
![](https://rs.olm.vn/images/avt/0.png?1311)
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 .
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài 1
Modern traffic lights are an American invention.Red-green systems were installed in Cleveland (1)..............
1914.Three-coour signas 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 lights of this type appeared in Lon Don,on the junction between St.James Street (4)................Piccaadily,in 1925.Automa signals were installed a year late.In the past,traffic used to (5)............very special.In New York,some lights used to (6)............a statue on top.In Los Angeles,the (7)...................did not just change silently,but would ring bells to wake the sleeping motorists of the 1930s.These are gone and have been replaced by modern systems that (8).................seen everywhere now.
Key - Đáp án:
1. in; 2. installed; 3. to; 4. and
5. be; 6. have; 7. lights; 8. be
Bài 2:
6.The distance from my house to school is about 500 metres (IT)
→................It is about 500 meters from my house to school.................................
8.Is it possible to go to sapa by motorbike (CAN)
→..............You can go to sapa by motorbike.............
9.My father is a carefu driver (DRIVES)
→........My father drives carefully..........................................
10.A train leaves for Lao Cai at 5 o'clock every moring (THERE)
→.............There is a train leaving for Lao Cai at 5 o'clock every moring...........................
1 in
2 installed
3 to
4 and
5 be
6 have
7 lights
8 are
1.in
2.installed
3.to
4.and
5.be
6.have
7.lights
8.are