1 . We should spend as much time as we can _________ (improve) our skills and knowledge.

2 . The manager promised that he ___________ (improve) their work according to the customers’ needs.

3 . To learn English well, we have to ________ (提高) listening and speaking skills.

4 . —Some Chinese government officers have turned into live streamers (网络主播).
—Yes. They are trying their best to help local farmers to ________ product sales.

A．change

B．compare

C．afford

D．improve

5 . —Some Chinese government officers have turned into live streamers(网络主播).
—Yes. They’re trying their best to help local farmers to ________ sales（销售）.

A．receive

B．improve

C．return

D．realize

6 . 南希最终设法改善了这种处境。
Nancy finally ________________ the situation.

7 . —BYD company has announced(宣布) that it will stop producing oil-fueled cars by the end of this year.
—Well, that’s good. It will help ________ the environment.

A．improve

B．change

C．pollute

D．study

8 . —More and more people are driving new energy cars.   
—Well, that’s good. It will help ________ the environment and save energy.

A．improve

B．change

C．pollute

D．manage

9 . We need education because it helps us know how to ________ our life.

A．improve

B．realize

C．refuse

D．lift