1. A: Where were you at 7 o'clock last night?
I tried to call you.
B: I slept.
2. A: We swam at the water park yesterday when dark clouds appeared in the sky.
B: That's a shame.
3. A: You saw the steppe when you visited Kazakhstan?
B: Yes, we went there on Wednesday.
4. A: When did you read that novel?
B: Yesterday while I sunbathed on the beach.