1．Good morning.

A. Goodbye. 　B. Good morning.

2．Nice to meet you.

A. Good morning. 　B. Nice to meet you too. V7cHDta67VqTWjqA/ahl6LuM6Vd1BKl2CmYJ8I2AzaNZyRjBnn9bepjovBCdjdDJ