Help me please.
Choose the correct alternative.
1. Stop singing that song. You have sung/been singing it all afternoon.
2.That`s it. I have done/been doing all my homework.
3.It`s terrible! Max has had/been having an accident.
4.She`s looked/been looking for her keys all day, but she still hasn`t found them.
5.Why are you dirty? What have you done/been doing.
6.That actor has made/beenmaking twenty films.
7.My eyes hurt. I have worked/been working on the computer all day.
8.You have played/been playing computer games since ten o`clock this morning. It`s time to switch off!
Напишите пожалуйста, и если не трудно, объясните по какому принципу это всё работает

1 stop singing that song. You have been singing it all afternoon2 thats it. I have done doing my homework3 It`s terrible! Max been having an accident.4 Shes lbeen looking for her keys all day , but she still hasnt found them.5 why are you dirty? what have you been doing .6 that actor has beenmaking twenty films7 my eyes hurt. I have been working on the computer all day.8 you have been playing computer games since ten o clock this morning.its time to switch off!А объяснить я не знаю как......