句子排排队。（在正确的句子排序前打对勾，使其连成通顺的对话）
（1）I’m from China.
（2）Where are you from?
（3）I know China .It is a beautiful country.
（4）I’m from the USA.And you ?
（5）Hello，Mike.Nice to meet you.
（6）Hi,Tom. This is Mike.
（7）Welcome to our country.
（8）Nice to meet you ,too.
（9）Thank you!
(     )A. 6   5  8  2  4  1  3  7  9
(     ) B. 6  5  8  2  4  3  7  9  1