参考答案 1——20ACBDADDADCCBBDBAADDB 21-24 DBAC 25-28 BADC 2-32 BCDA 33-35 BBC 36-40 CDFAB 41-60 CADBC ADBAC CBDAB DCABD 61-70 met unfit changing carefully with (having graduated) sressful It which a 改错 is mostly doing --- done in fact, best way----- the best where you go ---- wherever you had the ---- have take them--- it certainly----certain pick up with ---去with besides --- therefore