1．Good morning.

A. Goodbye. 　B. Good morning.

2．Nice to meet you.

A. Good morning. 　B. Nice to meet you too. XF4hqVepFF5rafB2DNr0nNVRtDY5RP7zaTH5aO45fa6g0Ot0Fj5FQGG3ZHmuZUq5