根据对话内容，补出所缺单词。
A: Excuse______(1), is______(2) your pencil?
B: Yes, it is.
A: ______(3) you are.
B: ______(4) is your pencil case?
A: It's ______(5) the desk. It's ______(6) to ______(7) dictionary. ______(8) new.
B: Oh, ______(9) very nice.
A: Can I ______(10) a look at your pencil case?
B: Yes, of course.
A: Thanks.
1.______ 2.______ 3.______ 4.______ 5.______
6.______ 7.______ 8.______ 9.______ 10.______
