7) Complete the sentences using the present perfect simple or the present perfect continuous form of the verbs in brackets.
1 We found (find) the magazine we lost last week.
2 He has been working (work) on his essay for two days, and he still hasn’t finished.
3 I have already sent (already /send) those letters.
4 It has been raining (rain) all day long. I hope it stops soon.
5 Paul has lived (live) in Canada since he was born.