question But when the charred bus charges clear of the smoke, he sees nothing beyond but a black wasteland. The trees have been burned away to glowing stubs and the road itself is a bubbling ditch. Then an overcoat of fire drops over him from behind and Henry Morrison knows no more.19 skids from the remains of the road and overturns with flames spewing from every broken window.The quickly blackening message on the back reads: SLOW DOWN, FRIEND! WE LOVE OUR CHILDREN! Question 1: “drop over” means to come for a casual visit. In this case, does it mean to attack or to engulf? Question 2: Does “Henry Morrison knows no more” means “Henry Morrison passes out at once” or “Henry Morrison is unconscious immediately”?Ollie Dinsmore sprints to the barn. Wearing Grampy Tom’s oxygen mask around his neck and carrying two tanks with a strength he never knew he had (the second he spied as he cut through the garage), the boy runs for the stairs that will take him down to the potato cellar.There’s a ripping, snarling sound from overhead as the roof begins to burn. On the west side of the barn the pumpkins also begin to burn, the smell rich and cloying, like Thanksgiving in hell. The fire moves toward the southern side of the Dome, racing through the last hundred yards; there is an explosion as Dinsmore’s dairy barns are destroyed. Henrietta Clavard regards the oncoming fire and thinks: Well, I’m old. I’ve had my life. That’s more than this poor girl can say. Question 3: what’s the meaning of “I’ve had my life. That’s more than this poor girl can say.”?Question 4: In "ripping, snarling sound from overhead", "overhead" is a noun, right?Question 5: I'm just wondering if an adverb can follow a preposition. If so, could you give me some examples ?