Translate the following sentences into Chinese:
A: Hello.
B: Hello.
A: Who is that?
B: That is my spouse.
A: What is his name?
B: He is called Wei.
A: Where are you going?
B: We are going to the shops.
A: Oh, are you going to China?
B: Yes.
A: When are you going to China?
B: I don’t know.