根据对话内容，用适当的句子将对话补充完整。

Lin Hai: Hey, Ma Hua. I called you last night, but you didn’t answer. （1） at that time?

Ma Hua: I was looking after my dog, Lucky. She was ill.

Lin Hai: （2） Have you taken her to the animal hospital?

Ma Hua: Yes, I have. By the way, （3）

Lin Hai: Not yet. But I’m planning to keep a pet. A cat, maybe.

Ma Hua: （4）

Lin Hai: Cats are always lovely, and they don’t need much space since they’re small.

Ma Hua: It’s true. But you still need to be responsible and look after it very carefully.

Lin Hai: （5） Having a pet is far more than just playing with it.