Откройте скобки употребляя предложения в Present Perfect или Past Simple.
1. You (to have breakfast) already?
2. When you (to have breakfast)?
3. When you (to arrive) in Kyiv?
4. He (to fall asleep) at half past seveen.
5. I (to know) this engineer since I began to work at tha plant.
6. At lasti (to write) the composition ; now I'll go for a walk.