1 . In 2025,we will no longer be e-mailing each other, for more convenient electronic communication tools _____________by then.

A．have developed	B．will have been developed
C．have been developed	D．will have developed

2 . Due to new proper measures, by the end of this month, the carbon footprint produced by the cattle farm         by about 30%.

A．has been reduced	B．will have reduced
C．has been reducing	D．will have been reduced

3 . Hopefully in 2025 we will no longer be e-mailing each other, for electronic communication tools ______ more convenient by then.

A．have developed	B．have been developed
C．will have been developed	D．will have developed

4 . According to a plan, Hainan___________into a tourism and consumption destination with global influence by 2035.

A．will build

B．will have been built

C．are built

D．have been built

5 . 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

6 . This book _________since last week.

A．has not borrowed	B．was not been borrowed
C．has not been borrowed	D．was not borrowed

7 . John is not a man to count on, and it is very likely that the work ____ by the time he arrives here.

A．is finished

B．has finished

C．will finish

D．will have been finished

8 . —Do you love teaching, Miss He?
—I fell in love with teaching in 2000. I ________ for twelve years by this summer.

A．will teach	B．would have taught
C．has been teaching	D．will have been teaching