A. Let me see. I think it's a toilet for a pet（宠物）.

B. Yes. I do. I like studying them. 

C. Do you know anything about the public signs?

D. OK. What does that sign on the door mean?

{#blank#}1{#/blank#}I'm going to make a card.

{#blank#}2{#/blank#}Mothers' Day is on the second Sunday in May.

{#blank#}3{#/blank#}That's great.

{#blank#}4{#/blank#}What are you going to do?

{#blank#}1{#/blank#}Can I use your brush?

{#blank#}2{#/blank#}Yes?

{#blank#}3{#/blank#}Excuse me.

{#blank#}4{#/blank#}Yes. Here you are.

{#blank#}5{#/blank#}You're welcome.

{#blank#}6{#/blank#}Thank you.

{#blank#}1{#/blank#}It was good. I went to Sanya.

{#blank#}2{#/blank#}What did you do there?

{#blank#}3{#/blank#}Hi, Wang Yang! How was your winter holiday?

{#blank#}4{#/blank#}I went swimming.

{#blank#}5{#/blank#}Who did you go with?

{#blank#}6{#/blank#}I went there with my parents.

{#blank#}1{#/blank#}I'm fine, thank you.

{#blank#}2{#/blank#}Good morning, Xiaoli.

{#blank#}3{#/blank#}How are you?

{#blank#}4{#/blank#}Bye-bye.

{#blank#}5{#/blank#}Good morning. I'm Xiaoli.

{#blank#}6{#/blank#}Goodbye, Xiaowei.

{#blank#}7{#/blank#}I'm Xiaowei.