选出答案并分析每个选项

选出答案并分析每个选项
1.__________ has been made in the search for the lost child.
A.A great many progress
B.A great deal of progress
C.Large quantities of progresses
D.A large number of progress
2.---------- around the Water Cube,we were then taken to see the Bird's Nest for the 2008 Olympic Games.
A.Having shown
B.To be shown
C.Having been shown
D.To show
3.The maths problems is very difficult,for they have tired -------.
A.every means possible
B.every mean possible
C.possible every means
D.every possible means