41. The hundreds of people aboard the raft bob up and down with the waves as they move slowly past a wrecked bridgehead. 42. On a fishing expedition they take together, what should bob up from the depths of the lake but a woman's dead body. 43. The heads of daughters Sarah and Amanda, their cousin Cara Stock and their friend Autumn Burke bob up and down in agreement. 44. Teddy helps Bob up outside and states that what Bob tried to do was the nicest thing anyone had ever done for him. 45. After that, I brought a bucket to stand on and was able to bob up and down for quick glances into the house. 46. This could be solved by forcing the Sun to bob up and down within the disk, lighting first one side then the other. 47. If those calculations were off, the ship's stern could bob up too soon _ or not soon enough _ as it entered the water. 48. They leap in the wake, bob up and down enthusiastically and even rub up against the sides of the boat _ always looking for food. 49. Not only do shelves ripple, but the couch bucks, the armoire lists, visitors bob up and down, and sometimes the floor drops out of sight. 50. The male then bobs up and down rapidly and rhythmically, he displays alone and waits for a female to fly from cover to pair with him.
