T：Good morning，class．

S：_____________________, teacher． T: How are you?

S：____________, thank you, ________you? T: I’m fine, ________. What’s this?

S：It’s “Nn”(嗯)． T: No, it’s “Nn” /en/.

S：“Nn” /en/ T: Yes, sit _____________, please.

【答案】Good morningFineandtoodown

【解析】

略