题目

Most animals in the wild look after their b 1 .For example,a mother bird fights
with enemies to p 2 her babies form danger.
before a month bird has babies,it will s 3 building a nest in a tree A baby bird usually w 4 about 30grams at birth and you can hold it in your hands.Baby birds have f 5 but they seem to have no bones.The mother bird will look after them for 15 years ,If h 6 come close to the nest,
求这篇首字母提示补全全文的答案,

提问时间：2020-10-28

答案

为您解答如下：babies （幼崽）protect （保护）start （开始）weighs （重）【weigh 是不及物动词,此处需要三单式】fur （羽毛）【fur 是不可数名词】humans （人）【题目有误.最后一句应该是：The mother bird wil...