He can go with you, but I ______. [ ]
A. am not
B. can't
C. don't
D. must
答案:B
( )交易不收过户费。
A.国债 B.B股股票 C.基金 D.债券
补中益气汤和败毒散均含有
A.肉桂、甘草B.人参、柴胡C.白芍、地黄D.远志、当归