is it the national grand theater ——you are going to watch peking opera. a.where b.that c.whic为什么选a 不选b

It the National Day holiday last weej选It the National Day holiday last weej选什么 A.is B.was C.are when is National Day? It's on the ------ (one) of October It is the National Day holiday last week.哪里出错了? Next,it is time------- -------- --------the national anthem.(接下来是我们唱国歌的时间了） ----------is drawing near.A.The National Day B.A National Day C.National Day D.The Day of National为什么 what color is the our national flag? when is national day in the usa? National day is round the corner. Cricket is the national sport in ______. O______ the first is National's Day It is high time that everyone()very hard for the coming national college en-trance examinationwould studystudiedstudystudies the national what is the national flag of the Canada? The lily is the national flower of F( ). Flying( )the top of the building is a national flag. 【national,holiday,day,was,it,the,week,last】 Is it necessary to complete the design before the National Day?是什么意思Is (it ）necessary to complete the design before the National Day?括号里为什么用it不用this,that和he却用it顺便将这句话翻译一下 Is this necessary to complete the design before the National Day?为什么是this而不是 it ,that,he?说出详细原因