将下列单词或词组填入空格。每空格限填一词，每词或词组只能填一次。
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A. took off B.
delivering C. guessing D. stopped E. name
F. picked up
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The post office has plenty of work to do. It
deals with thousands of letters every day. Let's follow a letter all the way
across America.
Julie lives in New York. She wrote a letter
to Dave in Oregon. Julie put the letter in the mailbox on Monday night. On
Tuesday morning, a truck {#blank#}1{#/blank#} at the mailbox. The postman put the letters
into a large bag and took the bag to a post office in New York.
On Tuesday afternoon the letters were
sorted(分类) . Post codes were used to
sort the mail. A machine {#blank#}2{#/blank#} a letter and held it. A worker read the post
code.
Then
the worker pushed five buttons on another machine in one second. After that, the
machine put the letter in a box. By Tuesday night the box was on a truck. The
truck went to the airport. An airplane {#blank#}3{#/blank#} for
Oregon on Wednesday morning.
Julie's letter went on the airplane.
By noon the letters were in an airport in
Oregon. Mail trucks then took them to post offices. One of these was in Dave's
town. On Wednesday night people in Dave's town sorted the letters by street {#blank#}4{#/blank#}.
On Tuesday morning the postman for Main
Street picked up his pile of letters.
He sorted all of them by street number
before {#blank#}5{#/blank#}. The
people at 1 Main Street got their mail first. Dave lived at 221 Main Street. He
got his letter before lunch.
