1．Good morning.

A. Goodbye. 　B. Good morning.

2．Nice to meet you.

A. Good morning. 　B. Nice to meet you too. 7d1aipLyC7jSdopoXLnS1/ErhPNdKU/tioG6PH3qfC2qFMyjXxx4yQmEXUEAPtmS