Most cats remain suspicious of humans all their lives.

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Most cats remain suspicious of humans all their lives.
改：Most cats are suspicious of human beings _______their lives.
A.during B.throughout

选择B
在时间方面,throughout是指贯穿一个时间段的整个时间,而during是指在一个时间段期间.如：throughout one's life(某人一生)；during the Spring Festival（春节期间）
再问：指在一个时间段期间就不能用吗？
春节都可以为什么这个不可以？
再答： during 指在某段时间内，短时间

throughout 是贯穿的意思，强调整个期间

Most cats remain suspicious of humans all their lives. most cats remain suspicious of humans all their lives most cats remain suspicious of humans all their lives.请问rema Most cats remain suspicious of human beings all their lives. Most cats remain suspicious of human beings all their lives most cats are suspicious of human beings ___their lives. 1 d Cats spend two thirds of their lives sleeping. Cats spend teo-thirds of their lives sieeping. All Eskimos live most of their lives close to sea or fresh w most cats和most of the cats? 求翻译：Cats are suspicious of human beings. Sloths spend most of their lives slepping while hanging upsi