1. G: What happened to Robert?

    B: He had a stomach ache because he ate too much.

2. G: What did you do yesterday?

    B: I played football with my friends.

3. G: Did you go shopping last weekend?

    B: Yes, I bought some cakes and fruit.

4. G: When did you arrive at the museum?

    B: We arrived there at ten o’clock.

5. G: Did you visit Kunming Lake?

    B: Yes, and we took a boat trip on the lake.