练习材料：

Lesson28(2) Five pounds too dear

The next man to approach me was selling expensive pens and watches. I examined one of the pens closely. It certainly looked genuine. At the base of the gold cap, the words 'made in the U.S.A.' had been neatly inscribed. The man said that the pen was worth $50, but as a special favour, he would let me have it for $30. I shook my head and held up a finger indicating that I was willing to pay $5. Gesticulating wildly, the man acted as if he found my offer outrageous, but he eventually reduced the price to $10. Shrugging my shoulders, I began to walk away when, a moment later, he ran after me and thrust the pen into my hands. Though he kept throwing up his arms in despair, he readily accepted the $5 I gave him. I felt especially pleased with my wonderful bargain--until I got back to the ship. No matter how hard I tried, it was impossible to fill this beautiful pen with ink and to this day it has never written a single word!

ðə nɛkst mæn tuː əˈprəʊʧ miː wɒz ˈsɛlɪŋ ɪksˈpɛnsɪv pɛnz ænd ˈwɒʧɪz. aɪ ɪgˈzæmɪnd wʌn ɒv ðə pɛnz ˈkləʊsli. ɪt ˈsɜːtnli lʊkt ˈʤɛnjʊɪn. æt ðə beɪs ɒv ðə gəʊld ˈkæp, ðə wɜːdz meɪd ɪn ðə juː.ɛs.eɪ.' hæd biːn ˈniːtli ɪnˈskraɪbd. ðə mæn sɛd ðæt ðə pɛn wɒz wɜːθ $50, bʌt æz ə ˈspɛʃəl ˈfeɪvə, hiː wʊd lɛt miː hæv ɪt fɔː $30. aɪ ʃʊk maɪ hɛd ænd hɛld ʌp ə ˈfɪŋgər ˈɪndɪkeɪtɪŋ ðæt aɪ wɒz ˈwɪlɪŋ tuː peɪ $5. ʤɛsˈtɪkjʊleɪtɪŋ ˈwaɪldli, ðə mæn ˈæktɪd æz ɪf hiː faʊnd maɪ ˈɒfər aʊtˈreɪʤəs, bʌt hiː ɪˈvɛnʧəli rɪˈdjuːst ðə praɪs tuː $10. ˈʃrʌgɪŋ maɪ ˈʃəʊldəz, aɪ bɪˈgæn tuː wɔːk əˈweɪ wɛn, ə ˈməʊmənt ˈleɪtə, hiː ræn ˈɑːftə miː ænd θrʌst ðə pɛn ˈɪntuː maɪ hændz. ðəʊ hiː kɛpt ˈθrəʊɪŋ ʌp hɪz ɑːmz ɪn dɪsˈpeə, hiː ˈrɛdɪli əkˈsɛptɪd ðiː $5 aɪ geɪv hɪm. aɪ fɛlt ɪsˈpɛʃəli pliːzd wɪð maɪ ˈwʌndəfʊl ˈbɑːgɪn--ənˈtɪl aɪ gɒt bæk tuː ðə ʃɪp. nəʊ ˈmætə haʊ hɑːd aɪ traɪd, ɪt wɒz ɪmˈpɒsəbl tuː fɪl ðɪs ˈbjuːtəfʊl pɛn wɪð ɪŋk ænd tuː ðɪs deɪ ɪt hæz ˈnɛvə ˈrɪtn ə ˈsɪŋgl wɜːd!

任务配置：

L0＋L4

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