UC知道18题为何选C 选B为何不行？
来源：百度知道 编辑：UC知道 时间：2024/06/26 04:58:44
It is predicted that existing reserves of fossil fuel ___by 2045.
A.have been run out B.are going to be run out
c.will have run out D.have run out
A.have been run out B.are going to be run out
c.will have run out D.have run out
by 2045这个短语决定了，要用将来完成时，故选择C
选C 不过要强调的是虽然题目中有被动的含义,但不需要要被动语态 因为run out这个词比较特殊,它本身就有被动的意义.
因为run out本身就有被动的意义.