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 . It’s reported that by the end of this year, huge quantities of good earth ______ due to deforestation.

A．will have been washed away	B．is being washed away
C．are being washed away	D．will have washed away

4 . The mayor of Suzhou says that all construction work for the Asian Games________ by the end of this month.

A．has been completed	B．has completed
C．will have completed	D．will have been completed

5 . By the end of 2021, several other metro lines ______. （complete）(所给词的适当形式填空)

6 . When you visit our town next August, a modern sports center will ________(construct), for the National Games are to be held then. (所给单词的适当形式填空)

7 . They are trying to make sure that 5G terminals        by 2022 for the Beijing Winter Olympics.

A．will be installed	B．will have been installed
C．are installed	D．have been installed

8 . WiFi also has a place in technologies like 5G and CBRS，which        by the year 2020.

A．will be widely used

B．will have been widely used

C．used

D．is used

9 . By the end of 2020, as is clearly stated, poverty relief work ________ across the country.

A．will have accomplished	B．has been accomplished
C．has accomplished	D．will have been accomplished

10 . 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