A:needn't have driven;through
B:can't have driven;acro
C:mustn't have driven;through
D:shouldn't have driven;cro
某华侨计划投资建设蔗糖厂,从原料来源考虑,选址最合理的一组是( )。
仔细读课文《狼牙山五壮士》,说说
五位战士在生死面前,表现了他们怎样的精神?
某历史专栏出现了以下三幅图片,该专栏的主题应该是( )