1) Sorry for interrupting. You may go on.
2) When are going to give my money back? I have to pay rent!
3) Don’t just sit and watch as your life goes by.
(4)
А) Online browsing/shopping is more convenient than regular one.
B) I think you need to refresh the page if you want to see if there is something new
C) We streamed the show on Netflix.
D) I had been shopping/browsing for two hours before I realised that I just wanted to buy a new shirt.