求讲解1、 The visitors here are greatly impressed by the fact th

求讲解
1、 The visitors here are greatly impressed by the fact that ( )people from all walks of life are working hard for ( )a new Jiangsu.
A、\,a B、\,the C、the ,a,D、the ,the
2、John is a man of much ( )and he had a lot of interesting ( )in his life.
A、experience experience B、experiences experience C、experience experiencesD、experiences experienced
3、Is this school you visited the other day?
A、where B、the one of C、the one thatD、that