As is estimated, more than 20 million shared bikes ______ into operation nationw

题干

As is estimated, more than 20 million shared bikes ______ into operation nationwide by 2025.

A．will have been put

B．will have put

C．have been put

D．will be putting

上一题下一题 0.65难度单项选择更新时间:2019-09-11 09:10:16

小学学科试题库

初中学科试题库

高中学科试题库