Раскрыть скобки в правильном времени. 1. i (teach) at school for 5 years already 2. they (watch) tv since 20 clock 3.where is nick? he (listen) to music in his room

1. I have taught at school for 5 years already
2. They have been watching TV since 20 clock
3. He is listening to the music in his room