听录音，补全对话。
A:
There is a nature park in my city.
B:
Is there a {#blank#}1{#/blank#} in the park?
A:
Yes, there is.
B:
Is there a {#blank#}2{#/blank#} in the park?
A:
No, there isn't. There is a {#blank#}3{#/blank#} in the park.
B:
Is there a {#blank#}4{#/blank#} in the park?
A:
Yes, there is.
B:
Is there a {#blank#}5{#/blank#} in the park?
A:
No, there isn't.
