最后请教几道高中英语语法题,说明理由?5,__A______used to be my wish to get further education in______Great Britain.A,It,\ B,There,the C,It,the D,There,\6,__D__in history when remarkable progress was made in

最后请教几道高中英语语法题,说明理由?5,__A______used to be my wish to get further education in______Great Britain.A,It,\ B,There,the C,It,the D,There,\6,__D__in history when remarkable progress was made in
最后请教几道高中英语语法题,说明理由?
5,__A______used to be my wish to get further education in______Great Britain.
A,It,\ B,There,the C,It,the D,There,\
6,__D__in history when remarkable progress was made in raletively short periods of time.
A,There has time B,It has time C,It is time D,There has been time

最后请教几道高中英语语法题,说明理由?5,__A______used to be my wish to get further education in______Great Britain.A,It,\ B,There,the C,It,the D,There,\6,__D__in history when remarkable progress was made in
it 做形式主语,代替后边的不定式
there be 句型的完成时,曾经有过这样的时候