从方框内所给的选项中选择恰当的句子完成此对话。（有两个多余选项）

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:

B: No. It's said that it was first played in England in the 1800s.

A: Wow, it really has a long history.

B: China, Japan, Australia, Germany and Russia.

A: That's right! They're really excellent.

B:

A: Good idea. I know you're good at it.

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.