1．Good morning.

A. Goodbye. 　B. Good morning.

2．Nice to meet you.

A. Good morning. 　B. Nice to meet you too. GC8u5QlNRSVmHeKOr6lr9Fm/+KzhfdBF4GXTk/ZDDxNKokUbG9Srh9kBDjVrdxjB