1.
Russia has always been a world leader in the development of new technologies.Has Russia always been a world leader in the development of new technologies?What country has always been a world leader in the development of new technologies?In what sphere has Russia always been a world leader?Has Russia always been a world leader in the development of new technologies or not?Russia has always been a world leader in the development of new technologies, hasn't it?2.
The first big success came in 2003 thanks to Arne and Arnea-androids men and women, or humanoid robots.Did the first big success come in 2003 thanks to Arne and Arnea-androids men and women, or humanoid robots?What happened in 2003 thanks to Arne and Arnea-androids men and women, or humanoid robots?When did the first big success come thanks to Arne and Arnea-androids men and women, or humanoid robots?Did the first big success come in 2003 or 2005 thanks to Arne and Arnea-androids men and women, or humanoid robots?The first big success came in 2003 thanks to Arne and Arnea-androids men and women, or humanoid robots, didn't it?
3. They were designed by students from St. Petersburg University and a company called New Era.Were they designed by students from St. Petersburg University and a company called New Era?What was designed by students from St. Petersburg University and a company called New Era?By whom were they designed?Were they designed by students from St. Petersburg or Moscow University and a company called New Era?They were designed by students from St. Petersburg University and a company called New Era, weren't they?4
. RoboCop is a competition in which androids play football against each other.Is RoboCop a competition in which androids play football against each other?What is a competition in which androids play football against each other?What is RoboCop ?Is RoboCop a competition in which androids or people play football against each other?RoboCop is a competition in which androids play football against each other, isn't it?