1A -> to go
2B -> is
3D -> bussinessman
4C -> is
5D -> tired
6C -> go
7C -> special
8C -> history
9C -> sleeping
10C -> have seen
11C -> growing
12C -> used
13A -> was
14C -> sung
15B -> swept
16A -> are
17A -> Is
18B -> is
19A -> be taught
20B -> go