10. A) cost B) the cost C) the costs D) costs
11. A) from B) in C) \ D) for
12. A) less B) numerous C) more D) many
13. A) them B) these C) it D) those
14. A) offering B) cutting C) reducing D) having
15. A) as just B) just as C) because D) while
参考答案: CABCA CDABD BCCAB
