We cannot figure out____quite a number of insects,bird,and animals are dying out.

分类: 作业答案 • 2022-07-25 22:12:03

问题描述：

We cannot figure out____quite a number of insects,bird,and animals are dying out.
A.that B.as C.why D.when
选什么?为什么选这个?

答

C 为什么一部分的昆虫.动物会灭绝.