2 . Because of COVID-19, many people ________ themselves into high-rise apartments except that they go to work.

A．nestle

B．drag

C．plunge

D．interconnect

3 . Directions: Fill in each blank with one phrase from the table in its proper form. Note that there are two phrases more than needed.

for the sake of          plunge into          come up with          in ruins          establish the position of          burst out          have every reason          in silence          act on          contribute to          nothing more than          for sure

1. We each Chinese ________ to pride ourselves on the achievements we have made over the past 20 years.
2. Objects at rest tend to remain at rest unless ________ by an outside force.
3. Engineers in different countries, working independently of each other, ________ very similar results on it in the last decades.
4. We heard that the city was ________ and that it was filled with thousands of starving, homeless people.
5. The significance of this project lies in the fact that it ________ a better interaction between teachers and students in recent years.
6. In the Netherlands, thousands of enthusiasts braved the chill winds to ________ the North Sea to celebrate New Year's Day.
7. The sudden sound of footsteps ________ made Mr. Spencer's blood run cold.
8. In time of the global financial crisis, the only way out is ________ Chinese clothing brand in the international clothing industry.
9. The luxury car represents the owner's social status in China while it is ________ a vehicle in its country of origin.
10. I thought everything was fine until Charles ________ crying in the middle of dinner.