(1)I can see the map hung on the wall.
I can see the map which_ is _ hung _ on the wall.
(2)You can't finish the two tasks at the same time.
You can_ finish the tasks one _ by _ one _.
(1)I can see the map hung on the wall.
I can see the map which_ is _ hung _ on the wall.
(2)You can't finish the two tasks at the same time.
You can_ finish the tasks one _ by _ one _.