I'll give a talk tomorrow. I'm thinking about _______.
A:what to say
B:how to say
C:what can I say
D:how can I say
经过点A(1,0),B(0,﹣1)的直线方程为( )
林肯在竞选中主张解放黑奴,1861年他却把宣布解放黑奴的一位将军撤职.1862年他又颁布《解放黑人奴隶宣言》。这表明他在此期间的最高宗旨是( )
She wants to be famous as a movie star.