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.