1 . Complete the sentences using the -ed forms of the verbs below, and then state the functions of the –ed forms.

balance             astonish             expose          connect          leave             introduce

1. I was____________________ to see so many new inventions in the AI session at the science and technology expo.
2. The room, ____________________to the rest of the house by a long passage, was completely empty.
3. ____________________in the sun, the wet carpet soon dried off and looked brand new again.
4. Even though some of her classmates study long hours, she is generally able to maintain a____________________ lifestyle.
5. Never touch an electric wire when it is____________________.
6. ____________________by the Chinese government in 2013, the Belt and Road Initiative has strongly supported the economic development of many participating countries.

2 . 根据语境用所给单词的正确形式填空

be made up of. get across，go down，in large numbers, make it to, meet up with，see... as，set a date for

1. The supermarket has chain stores ________ around the world.
2. The committee has ________another round of discussion for the final decision.
3. They all set sail and ________the harbor, with enough food.
4. So when do I ________the husband and give him the book?
5. Income for the employees ________by 20 percent because of the pandemic last year.
6. I’m trying to find a way to ________my message to them using as few words as possible.
7. The medical team of the hospital sent there ________ five doctors and eight nurses.
8. Always ________the name card of Jiangxi, Nanchang attracts visitors around China.