分类：教育/科学-外语学习-英语考试
问题：英语6Doyouknow?Televisionbeganinth 
Do you know?Televisn began in the 1930s.It was black and white.In the 1960s,the TV programmes began to have colour.The first radios began in the 1920s.At that time the sound was very poor.So people had to listen to them on headphones.What time did TV begin to hDo you know?Televisn began in the 1930s.It was black and white.In the 1960s,the TV programmes began to have colour.The first radios began in the 1920s.At that time the sound was very poor.So people had to listen to them on headphones.What time did TV begin to have colour?What time did the first radios begin? 
回答：In the 1960s.The TV programmes began to have colour.
In the 1920s, the first radio began.