The tick stops draining you and drops off after you ' re dead 答：你死了以后壁虱才会停止吸你的血，掉下来。
2.
A : the tick stops draining you and drops off after you ' re dead 答：你死了以后壁虱才会停止吸你的血，掉下来。
3.
Do fleas and ticks have to bite my pet for frontline to work 跳蚤和壁虱必须要咬到我的宠物,蚤不到才会发生作用吗
4.
4 . dogs and cats should be given worm guard for intestinal parasites , once every two to four months , and tick and flea prevention care , also once every two to four months 4 .每二至四个月，应给宠物服用一次抗寄生虫药，并采取预防壁虱即俗称的狗虱或八脚虫和跳蚤的护理措施。
