1.   Hunters use a duck blind to kill ducks.

2.   Last week, playing the same hole where she broke down, she killed a duck.

3.   Killing the ducks, sparrows and grackle would be a violation of the Federal Migratory Bird Act, he said.

4.   Last week, they killed defenseless ducks.

5.   No one doubts that pollution in the sudsy green river killed the ducks.

6.   We thought it might kill the ducks.