作者recary (recary)
看板Eng-Class
标题[文法] be的用法？
时间Wed Mar 10 00:34:23 2010
1.Scientists know that natural branching networks, like plant roots, evolved
to minimize the energy needed to distribute resources, ___ it plant
nutrients or oxygen from lung tissue.
Ans: be
【疑惑】请问这里的be是从哪里变过来的？ 非常感谢:)
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 122.118.36.208
1F：→ johnny739:subjunctive 03/10 00:44
2F：推 BBMak:be it OO or XX= whether they are OO or XX 03/10 12:11