In each mini-dialogue put one verb into the present perfect simple and the other into thepresent perfect continuous. Use contractions where possible.1 A: What’s the matter? You look worried!B: Yes, I am. I ’ve been looking at (...

In each mini-dialogue put one verb into the present perfect simple and the other into thepresent perfect continuous. Use contractions where possible. 1 A: What’s the matter? You look worried! B: Yes, I am. I ’ve been looking at (look at) the contract in detail, and I ’ve noticed (notice) a lot ofpotential problems. 2 A: I (call) Carol all day, but it goes straight to voicemail. B: I expect she (go) to Head Office. 3 A: ‘Tosca’ is coming to the Opera House. (you see) it? B: Not yet, but I (look forward) to it for ages.Shall we go together? 4 A: How long (you produce)cars at this site? B: About four years. We(invest) around twenty million dollars in plantand machinery.