Заполни пропуски глаголами в форме present perfect simple либо present perfect

Заполни пропуски глаголами в форме present perfect simple либо present perfect continuous. 1 A: How long ... she ... (know) him? B: They have been friends for a long time. 2 A: Have you found your keys yet? B: No, I ... (look) for them all morning. 3 A: Do you like the musician David Matthews? B: Yes. I ... (just/buy) his new CD. 4 A: Why is James angry? B: He ... (lose) the keys for his house. 5 A: Where have you been? В: I ... (work) out in the gym all afternoon. 6 A: Where is Sarah? B: She ... (go) to the shops with her mother and sister. 7 A: ... Islands for years now. B: You must like going there very much.