补全对话 通读对话，根据上下文选择对话内容。A: Hey, Mike! Can you come to my party this Saturday?
B: {#blank#}1{#/blank#} This Saturday I have to visit my grandpa.
A: Oh? {#blank#}2{#/blank#}
B: Once a month.
A: Is your grandpa's home for from yours?
B: Yes, it's about 150 kilometers.
A: {#blank#}3{#/blank#}
B: By train.
A: {#blank#}4{#/blank#}
B: About thirty-five minutes.
A: {#blank#}5{#/blank#}
B: Sometimes I go fishing with him. And sometimes I help work on his farm.
