根据上下文用适当的词填空，将对话补充完整。
A: Mary, what's 1 the case?
B: It's 2 key.
A: Is it your key?
B: 3 . it is.
A: 4 what's this?
B: 5 a school ID card.
A: 6 do you speU "school"?
B: S-C-H-O-O-L.
A: Is it your school ID card?
B: 7 , it isn't. Oh, look at the 8 ! It's Tony's.
A: What's 9 phone number? '
B: You can 10 685-7588.
