2012 年专业四级(题、听力原文及答案解析【整理打印版】 2012)135 15 to be to be at to be by or by 5 be at be to I 20 n , B to to on At of be 5 to to to B. C. D. to an B. of to be . D. to be B. C. D. on At of be 0 to to 4. of A. is B. is C. is at D. is 5. of . It is B. It is C. It is D. It is 6. s of in a . B. is to no to D. 7. of r. . To to B. To to To D. To 0 on At of be 5 to to 8. to is on B. it is an of no D. on We B. . to in D. At of of B. of . D. to 1 3 on At of be 5 to to 11. In to a to _ in to a B. a C. a D. a of OT be in A. B. C. D. to do in . B. C. D. 专业四级(题、听力原文及答案解析【整理打印版】 4 7 on At of be 0 to to 14. to passag