阅读理解
Grace: Good afternoon, Frank!
Frank: Good afternoon, Grace! How are you?
Grace: I'm fine. Thank you. Is this your cup?
Frank: No, my cup is black. This cup is green. It's my friend Tom's.
Grace: I like green. My pen is green. What's this in English?
Frank: It's a ruler. Its Alice's white ruler.
Grace: Can you spell "ruler"?
Frank: R-O-L-E-R?
Grace: No, it's R-U-L-E-R.
Frank: Oh, yes.