A: Zhang Li, what did you do last Sunday?
B: I visited Li Ying's grandparents.
A: Where do they live?
B: They live in a small town near Beijing. They have a really nice house. I went there with Lucy, Gao Shan, Bob and Li Ying. Her grandparents were glad to see us. Her grandma cooked nice lunch for us.
A: What did you do there?
B: In the morning, we cleaned the house. In the afternoon, we worked in their garden. Lucy watered the trees and flowers. Cao Shan and Bob planted some trees. Li Ying and I picked apples.
A: Were you tired'?
B: No! I like working. We had a really good time.
根据对话内容，判断下列句子正误。
