Oil and coal come from the plants and animals that died___of years ago A.billion B.millions C.thou

Oil and coal come from the plants and animals that died___of years ago A.billion B.millions C.thou

题目
Oil and coal come from the plants and animals that died___of years ago A.billion B.millions C.thou
理由及答案,不要复制来的!
D.many hundreds
答案
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
1,人们染上烟瘾,最终因吸烟使自己丧命.
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