There's ( ) the trees and flowers ( ).A.enough water;to water B.water enough;watering

There's ( ) the trees and flowers ( ).A.enough water;to water B.water enough;watering
C.enough water; water D.water enough;water
How long ( ) you ( ) walking around the Funny World Museum?
A.do;take B.do ;spent C.did;take D.did;spend
They are looking for the little boy in the street.(同义句）
They ( ) ( ) ( ) the little boy in the street.