A. has to get B. were to get C. had got D. could have got
       
        5) _____ right now, she would get there on Sunday.(1996.6)
        A. Would she leave B. If she leaves C. Were she to leave D. If she had left
       
        6) Had he worked harder, he ____ the exams.(1997.6)
        A. must have got through B. would have got through C. would get through D. could get through
       
        7) If the whole operation _____ beforehand, a great deal of time and money would have been lost. (1999.6)
        A. was not planned B. has not been planned C. had not been planned D. were not planned
       
        Explanation and Expansion
        A. 参考答案：1) A 2) B 3) D 4) C 5) C 6) B 7) C
        B. 评析
        ① 对于虚拟条件句中时态的运用，首先应该区分主从句的不同。从句中用过去时，过去完成时，或were to/should +原形动词，而主句中用would/could/might/should + 原形动词或动词的完成形式。