Выберите подходящий вариант:1. Do be quit, will you? I try/I'm trying to concentrate.2.It is/ There is somebody oh the phone.3.Are you still/yet doing this exercise?4.His first workinf/worked day was a failure5.I'm not used to have/having a big breakfast in the morning.
1. I am trying
2. There is
3. Still
4.working
5. Having