check 检查（ 作业）
加油!不明白再问!如果帮到你,请采纳,谢谢!I will have a day o___ tomorrow. I am going to have a picnic with my friends呢off注；have a day off 有一天假最后一个yang liwei and zhai zhigang are both n____heroesnational 国家的( 英雄）