A. didn’t do B. haven’t done C. don’t do D. have done

　　40.If the whole operation_____ beforehand, a great deal of time and money would have been lost.(99.6/43)

　　A. was not planned B. has not been planned

　　C. were not been planned D. had not been planned

　　答案

　　ADDCB      CCDAD     BCACC    AAAAD