—Yesterday I lost my pencil sharpener.  I couldn’t find_______.

—Oh, it’s a pity. You’d better buy ________ this afternoon.

A: Good morning!

B: Hi, Mike.

A: Excuse me, Liu Ning. Is this your pencil sharpener?

B: No, it isn’t. My pencil sharpener is in my pencil case.

A: Is it Mary’s?

B: No, her pencil sharpener is not green. I think (认为) It’s Lucy’s pencil sharpener.

A: Let’s (让我们) ask (问) her.

A & B: Lucy, is this your pencil sharpener?

C: Yes, it is. Thank you.

A & B: You’re welcome.

根据对话内容完成下面各题。

66. Where is Liu Ning’s pencil sharpener?

It’s in her _________.

67. What color is the pencil sharpener?

It’s _________

68. Is it Mary’s pencil sharpener?

______________

69. Is it Lucy’s pencil sharpener?

______________

70. _________ found a pencil sharpener.