надо употребить past simple or present perfect tense. кое что сделала
1. I came back from lunch ten minutes ago.
2. This week Peter has worked more than 50 hours already.
3. We have waited there for an hour because their plane was late.
4. We waited here for an hour because their plane is late.
5. ______________ (you, see) Jane this morning? (It’s still morning)
6. ______________ (you, see) Craig this morning? (It’s the afternoon)
7. What time _______________________ (they, arrive)?
8. You’d better come down to reception. Your visitor ______________ (arrive)
9. Greg __________ (start) work on the new project this morning.
10. Sally __________ (start) work on the new project. It’s going to take her three weeks.