7. He should try spelling and grammar. A. use a different word document program if he wants it to be able to check 15 D B. used C. uses D. using 1 8. With its recent return economic health, the railroad industry is growing slowly. tH C. for D. at their operations into t A. from B. to 9. Due to a record low in profits last year, the firm is thinking of foreign markets. A. raising B. inflating C. enhancing D. expanding D