A new tset

1. Upon hatching, ________.
(A) young ducks know how to swim
(B) swimming is known by young ducks
(C) the knowledge of swimming is in young ducks
(D) how to swim is known in young ducks
2. Some of the rainwater from clouds evaporates before ________.
(A) reaching the ground
(B) to reach the ground
(C) reach the ground
(D) the ground reaches