生南星配生姜属( )
A.能散 B.能补 C.能泄 D.能下 E.能涩
参考答案:C
Not only his parents but also his brother _____ from here for two days. They haven’t been back.
A. have left
B. has left
C. has been away
河套大黄断面应具有的特征是()。