The surprise party is very popular in America. Most of the Americans think it is very exciting to have surprise parties for their f{#blank#}1{#/blank#}or family members. It is quite possible to plan a surprise party w{#blank#}2{#/blank#}one's birthday is coming. Do you want to know what a surprise party is like?

    Look at the following example. It's Saturday night. Bob's wife asks him to go to the kitchen and bring her a glass of milk. Bob walks there and opens the door. Suddenly, he h{#blank#}3{#/blank#}a strange sound and then sees a bear. It is s{#blank#}4{#/blank#}in front of him! Bob is very scared and falls backwards. Just then, the bear takes off his costume(服装). It's Bob's friend Charles! There are a{#blank#}5{#/blank#}some other people behind him. All of them say to Bob “Surprise!” Bob is puzzled, and he does not know what it is until his friends say “Happy birthday!” to him. In fact, there are many k{#blank#}6{#/blank#}of surprise parties. A successful surprise party always makes people feel surprised, excited and unforgettable(难忘的).