1 . Air pollution is a big problem, our government has taken action to ________ the situation.

A．understand

B．realize

C．believe

D．improve

2 . Some Chinese government officers have turned into live streamers (网络主播) to help local farmers to sell products (产品) and ________ (改善，提升) the sales.

3 . 以在公共场所演讲的方式提升自己，你真的很勇敢。
It’s brave of you _________________________________________________.

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

A．provide

B．improve

C．afford

D．suggest

6 . 当地人的生活条件近来改善大吗？
_________________ of the local people _________________ recently?

7 . A few Chinese government workers have turned into live streamers (网络主播) to help local farmers ________ the sales.

A．return

B．realize

C．improve

D．provide

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

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

10 . knowledge,   history,   books,   my，the,   past,   of， improve

___________________________________________________________.