If I _______ Tom, I _______ the police for help.
A:am; will call
B:am; would call
C:were; can call
D:were; would call
已知射线OM.以O为圆心,任意长为半径画弧,与射线OM交于点A,再以点A为圆心,AO长为半径画弧,两弧交于点B,画射线OB,如图所示,则∠AOB=____ (度)
“情愿做野草, 等着地下的火烧”这句诗表明鲁迅先生的态度是( )