1 . —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

2 . China’s efforts to stop the spread of COVID-19 will ________ the world’s ability to limit the harm in the near future.

A．interview

B．improve

C．invite

D．invent

3 . He is busy ________ (改善) his oral English these days, so he has no time to go shopping with you.

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 . We can develop good reading habits by i________ our reading speed.

6 . We're sure that the environment in our city ______ greatly through our work in the near future.

A．improved

B．was improved

C．has improved

D．will be improved

7 . He ________ (improve) his English a lot since he joined an English club last year.

8 . — Wandering Earth（流浪地球） is really wonderful. It ________ me a lot.
— So it is. I couldn’t help crying several times during the watch.

A．improved

B．missed

C．touched

D．managed

9 . 请根据句意，选择方框中所给动词的适当形式填空。（每词限用一次）

improve               wait               drop               discover               realize

1. We __________ the importance of low-carbon life and will take action right now.
2. They _________ this beach while they were sailing around the island.
3. In autumn, days usually get shorter and the temperature slowly _________.
4. —Did you see the headmaster in the hall this morning?
—Yes. He, together with some teachers, _________ for the exchange students then.
5. Boys and girls, join in the summer camp, and you _________ some basic life skills.

10 . We all know much attention should be paid to ________ (improve) the air quality now.