1．Good morning.

A. Goodbye. 　B. Good morning.

2．Nice to meet you.

A. Good morning. 　B. Nice to meet you too. Gnbse5AIASgV9DarrLX+QAzZpL2OdDg2L67dmCypvgJXZvkp2s6PK1wWkXSoXQrh