语法填空 Each zebra has its own unique pattern of distinctive stripes (带), just {#blank#}1{#/blank#}humans have their own unique pattern of fingerprints, Zebras stick together in herds (兽群). Within a herd, zebras tend {#blank#}2{#/blank#} (stay) together in smaller family groups. Families are generally made up of a male, several females{#blank#}3{#/blank#}their young.
As zebras graze, they use their sharper front teeth to bite the grass, and then use their duller back teeth to crush and grind. A zebra's teeth keep growing for{#blank#}4{#/blank#} (it) entire life, because constant chewing{#blank#}5{#/blank#}(wear) them down.
Zebras are{#blank#}6{#/blank#} (constant) on the move to find fresh grass and water. Sometimes they gather in huge herds of thousands as they migrate to better feeding{#blank#}7{#/blank#} (area). They often travel in{#blank#}8{#/blank#} (mix) herds with other grazers and browsers, such as wildebeest.
Zebras groom (理毛) one another, If you see two zebras standing close{#blank#}9{#/blank#} each other and it looks like they're biting each other, don't worry. They're pulling loose hairs off each other as they groom. Grooming also feels good to a zebra—it's like having an itch scratched,
While most zebras are least endangered, Grevy's Zebra{#blank#}10{#/blank#} (classify) as endangered.
