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Levi Strauss, a young immigrant from Germany, arrived in San Francisco in 1850. California was in the middle of the Gold Rush, thousand of men were coming to California to dig for gold. And Levi Strauss came to sell canvas to these gold miner. Canvas is heavy fabric, (25) ______ Levi Strauss thought the miners could use the canvas for tents.

      One day Strauss heard a miner (26) _______ that he couldn’t find clothes strong enough for the work he was doing. Strauss got an idea. He quickly took some of his canvas and made it (27) ______ pants. These are pants were (28) _____ the miners needed. In one day Strauss sold all the pants he had made.

25. A. so                            B. because                         C. although                        D. and

26. A. complain                 B. tell                                 C. ask                                D. talk

27. A. from                        B. for                                 C. into                               D. to

28. A. that                         B. what                              C. which                            D. whom