In line 19 of "The Second Coming," the "stony sleep" is that of evil supernatural beings.
Pecos Bill is a B) tall tale or an exaggerated story about an American hero.
The second one is correct because Lady Macbeth speaks to Macbeth privately in scenes 6-7 (I believe) of Act I and tells him that "the false face hides what the false heart doth know", which is basically telling him to make Duncan continue to think he means no harm, but to carry through with her plan of murder.