The hot dog is now part of US culture. When you walk on the street {#blank#}1{#/blank#}an empty stomach, what do you want to eat? How about {#blank#}2{#/blank#}（have） a hot dog on a cold day? It's not a bad {#blank#}3{#/blank#}（choose）. A hot dog is a cooked sausage in a bun（小面包）. The sausage is usually grilled（烤过的）.

    A hot dog is a super popular street food in the United States. It only {#blank#}4{#/blank#}（cost） a little money to buy one. But do you know it's actually from Germany, a country {#blank#}5{#/blank#}（wide） known for sausages? It {#blank#}6{#/blank#}(take）from Germany to the US long long ago. It then became popular among working-class people {#blank#}7{#/blank#}it was cheap and delicious. {#blank#}8{#/blank#}is convenient to take away and eat with fingers. What's {#blank#}9{#/blank#}, it gives warmth to people.

    Many people will enjoy a hot dog when they go to a baseball game. It's just like buying popcorn and soda at the cinema. Now the hot dog is playing an important role {#blank#}10{#/blank#}American food culture.

Dear Wendy,

    I'm very {#blank#}1{#/blank#} to get a letter from you. My best friend is Sun Hao. He is 14 years old. He is {#blank#}2{#/blank#} tall as me. He has a round face and short hair. He is {#blank#}3{#/blank#}outgoing than me, so he has more friends. He is smarter than me, but he is {#blank#}4{#/blank#}hard-working than me. He likes playing soccer best. He also likes {#blank#}5{#/blank#}. He dances better than me.

    What's your best friend like? Can you tell me?

Yours,

Song Lin