If further ( ) ,this invention could be used to make powerful microchips for computers
If further ( ) ,this invention could be used to make powerful microchips for computers.
A be developed B to be developed C developing Ddeveloped
句子意思理由
人气：185 ℃ 时间：2020-03-23 15:33:01
解答
D
develop(开发）与invention(发明物）之间是被动关系 所以用过去分词
if further developed相当于if (it/this invention) is) further developed
推荐
猜你喜欢
