I do my homework, listening to music.
I eat hamburger, watching TV.
I fell asleep, reading the novel/ a book.
I took your phone call, (while I was) studying OPIc.
I got a burn on my hand, frying squid.
I was shocked, checking my email.
I was surprised, talking with mom on the phone.
I felt hot, studying English.
I was surprised, playing a smart phone game.
I was embarrassed, checking my phone messages.
I was crushed on one girl, taking a walk.
I met my ex-girlfriend, exercising at the park.
I got so nervous, giving a presentation at the meeting.
I felt angry, working inside the stuffy/hot and humid office.