选择合适的词补全句子

A:Hello,Tim.

B:Hi,Ben.

A:At 4:30.

B:Wow!When do you usually do homework?

A:

B:Good boy!

A: I often play ping-pong with my father.

B:

A.Usually at 6:30.

B.What do you do on Saturdays?

C.That sounds like a lot of fun.

D.And then we go for a walk.

E.When do you finish class in the afternoon?