Complete the sentences with for or since1) They've been doing their homework____an hour.2) He's been supporting his local football team____they were prometed to the premier league.3) She's been playing for England____ten years....

Complete the sentences with for or since1) They've been doing their homework____an hour.2) He's been supporting his local football team____they were prometed to the premier league.3) She's been playing for England____ten years.4) I've been studying German___six months.5) We've been skiing____we were children.6) I've been sneezing a lot____yesterday.