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
