补全对话

A：Hi, Linda. ?

B：I went to Helen's home yesterday afternoon.

A：Really? ?

B：She was cleaning her room when I saw her.

A：?

Were they at home?

B：Yes, they were. Her father was repairing a bike at that time.

A：Then, what was her mother doing?

B：She was washing clothes.

A：?

B：I helped Helen clean her room and then we watched TV.

A：?

B：I came back home at about 5：00 p. m. By the way, what did you do yesterday afternoon?

A：I went to the zoo with my little brother.

B：Sounds interesting!