the radar sets have been running for a long time without wan

the radar sets have been running for a long time without wan The radar sets have been running for a long time without any l have been looking for someone for a long time The camel can go without water for a long time. The boy sat there for a long time without doing () Have you been here for a long time? I have been chasing for a long time I have been loving you for a long time i have been here for a long time We have been waiting here a long time for the guest. we have been best friends for a long time 为什么best前不加the i have been on the basketball team for a long time