用when 或while造句 1.play the piano ,knock at 2.climb the mountains , swim 3

五.用when 或while造句
1.play the piano ,knock at
2.climb the mountains , swim
3.cook ,watch TV
4.get home , do one’s homework
5.walk in the street ,see an accident

你好;
1 I was playing the piano , when there was a knock at the door.
2 I like climbing the mountains while my sister like swimming.
3 My mother was cooking while my father was watching TV.
4 When she got home, she did her homework.
5 When I walk in the street , I saw an accident.

希望对您有帮助!

1. I was playing the piano when someone knocked at the door . 2. Some students were climbing the mountains while others were swimming in the river . 3. While my mother was cooking , I was watching TV. 4. When Tom got home , his sister was doing her homework . 5. When she was walking in the street , she saw an accident .