1 . 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

2 . 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.

3 . We expect volunteers who are willing to devote time _________ our community environment.

A．to improve

B．to improving

C．to accept

D．to accepting

5 . —What else should we pay attention to _________our life?   —The change of our moods, I think.

A．improve

B．to improve

C．improved

D．improving

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

A．compare

B．improve

C．afford

D．provide

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

A．imagine

B．invent

C．insist

D．improve