2014年2月27日,全国人大常委会通过决定,将12月13日设立为南京大屠杀死难者国家公祭日。对于曾经的民族耻辱,我们应该( )
We’ll stay at home if it _______ tomorrow.
He goes to school early on workdays ____ Saturday and Sunday.
Lisa was supposed her homework before nine o'clock. But she couldn't.
Does her friend math?
Last year I was often ill, but now I am good health.