白鹿茸中的一种老茸，上端毛脱落，显出骨尖如枪矛，称为（）
A.同心鳞片
B.吃青角
C.出枪老茸
D.朱砂点
E.合点
参考答案：C
—He should have come to join in the thorough cleaning.
—He ________, I think. It's not his turn.
A．needn't have to
B．needn't have
C．didn't have to
D．doesn't need to
If I had one million dollars, I would________it to the charity.[ ]
A. sell
B. operate
C. lend
D. donate
