补全对话。
Bob：Hi，Ann．What are you doing?
Ann：{#blank#}1{#/blank#}
Bob：{#blank#}2{#/blank#}
Ann：I need a pair of scissors and some glue．
Bob：Oh，Mother's Day is coming．{#blank#}3{#/blank#}
Ann：Yes．I think she will be very happy．
Bob：Good girl!{#blank#}4{#/blank#}
Ann：Yes．But I don't have any crayons．{#blank#}5{#/blank#}
Bob：Sure．Here you are．
Ann：Thank you，Bob．
