1. G: What did you do yesterday evening?

    B: I did my homework at home.

2. G: Is the box heavy?

    B: Yes, it is. It is hard for me to carry.

3. B: You look tired.

   G: Yes. I went to bed too late yesterday.

4. G: When did you go to Beijing?

    B: I went there last June.

5. G: What did you have for dinner?

    B: I had a sandwich.