If I _______ Tom, I _______ the police for help.
A:am; will call
B:am; would call
C:were; can call
D:were; would call
花生种子中贮存养料的结构是什么发育来的?( )
It's generous __ ___ them to donate money to UNICEF. They think it important _____ them to help poor children go to school.
阅读下列材料,回答问题。