从方框内所给的选项中选择恰当的句子完成此对话。
A：Look!Those young children are playing ping-pong so well.
B：Yes,ping-pong is popular with people of all ages in our country.
A：（1） ______
B：No.It's said that it was first played in England in the 1800s.
A：Wow,it really has a long history. （2） ______
B：China,Japan,Australia,Germany and Russia.（3） ______
A：That's right!They're really excellent.
B：（4） ______
A：Good idea.I know you're good at it.（5） ______
B：How about this Sunday afternoon？
A：OK!See you then.

A.When will you be free this week？ B.Do you like playing ping-pong,too？ C.Was ping-pong first played in China？ D.Ping pong is the most popular sport now. E.Let's play ping-pong together in our spare time. F.Where are the best ping-pong teams from today？ G.But almost all of the world's best players are Chinese.

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