补全对话。A: Hello, {#blank#}1{#/blank#} is Ted speaking.
B: Hello, this is Mary speaking.
A: What are you {#blank#}2{#/blank#} tomorrow?
B: I'm going to {#blank#}3{#/blank#} out at the gym. What {#blank#}4{#/blank#} you?
A: I'm {#blank#}5{#/blank#} shopping.
A: That sounds great. Goodbye.
B: Bye.