Spring is coming.It's time________.
A．to plant seeds B．plant seeds C．planting seeds
——Nice to meet you.
——_____________.
A. Hello. B. This is Gao Wei. C. Glad to meet.
——How are you?
—— _________.
A. Good morning . B. Good—bye . C. I’m fine .
-----________________?
-----Fine, thanks.
A. How do you do? B. How old are you? C. How are you?
-----Nice to meet you.
-----________________
A. How are you? B. How do you do? C. Nice to meet you, too.
-----Good morning, Tom.
-----______________
A. Hello! Kate. B. Goodbye, Kate. C. Morning, Kate.