she is on the phone,为什么不用she is talking on the phone,区别是什么,

she is on the phone,为什么不用she is talking on the phone,区别是什么, Is Lisa talking on the phone again?Yes,she（）on she is talking （o )the phone My sister is talking on the phone He is talking on the phone.翻译 she is talking to her friends on the phone对her friends提问 lucy is talking on the phone on her mother为什么加is Listen She is talking at the phone 有没有错 Listen She is talking at the phone 中哪个有错 tom is talking on the phone对画线部分提问 John is( talking on the phone.)(对打括号部分提问) on phone 与on the phone的区别是什么?