阅读下题.根据括号内的汉语提示完成句子. Thus, they have, , became the most important animals on the

阅读下题，根据括号内的汉语提示完成句子。

Thus, they have, ________　________　________(轮到他们), became the most important animals on the planet．

试题答案

答案：in,their,turn