1. (2019六上·苏州期末) 根据短文内容，选择合适的答案。(每小题0.5分，共5分)

    This is a story 1 a schoolboy, Bill. 2 day, his mother told him to post a letter. Bill 3 down the street. He didn't see a letter 4 in the street, but he saw a basket with a 5 on it. The sign said, PUT LITTER IN THIS BASKET. "I can read', said Bill, "But they didn't write the 6 right."

    Bill put the letter in the basket. Then he ran home to tell his mother about the basket. "Oh, child," said his mother, "You put the letter in a 7 basket. A litter basket is 8 old paper and other things that are not good."

    "Oh, is that so?" said Bill. "Yes, it is. The word is LITTER, 9 LETTER." "Now go and get out the letter 10 and post it." said mother.