1 . Phone sales have been in gentle decline since 2016, as slower technological improvement has led to people ________less often.

A．to upgrade

B．upgraded

C．upgrading

D．having upgraded

2 . The current medical system needs ______.

A．reforming

B．to reform

C．to be reformed

D．both A and C

3 . I was afraid of my___________ fun of in front of my classmates.

A．making

B．being made

C．to make

D．having made

4 . 自然在文化和精神上为人类福祉做出了贡献，也通过粮食、清洁水和能源的关键生产，以及通过调节地球的气候、污染和洪水等而做出了贡献。（as well as）（汉译英）

5 . __________knowledge and skills, he had no difficulty __________ a well-paid job after graduation.

A．Equipped with; finding	B．Equipped for, finding
C．Equipping with; to find	D．Equipping for, to find

6 . 我们应该充分利用科技带来的便利，而不是任其摆布。(advantage)

7 . About 800,000 employees were forced to stay at home without __________ during the government shutdown.

A．being paid

B．paid

C．paying

D．to be paid

8 . It is thought that the epics we know today are the result of generations of story-tellers__________on the material until finally,__________, someone wrote it.

A．passing… somewhat	B．passing … somehow
C．having passed… whatever	D．passed … anyhow

9 . I am so happy about ______ to work in Yunnan, a place ______ which my father spent his childhood.

A．having assigned; at	B．assigned; at
C．being assigned; in	D．having been assigned; in

10 . 单句改错
1. A great many crafted items were on display, and each of them had a unique style. While admiring them, we feel proud of the wisdoms of the Chinese people.
2. Responsibility is one of the most important human quality. Responsible people can be trusted, and this benefits to both the person and the people counted on him.
3. Reading is always my favorite thing. Influencing by my parents, I began reading at an early age. I love reading books of all kind.
4. I began to feel disappointing and a bit down. I water the seeds in dry periods and made sure not to over-water them.
5. High school life was so wonderfully for me, and I made many good friends.
6. When I knew what our school had a tennis club, I wanted to be part of it. However, I was a little bit worried because I might fall behind other student in study.
7. No words can full express my thanks for your help with my Chinese learning. You were such a good companion when I am practicing my oral Chinese.
8. Today, many students had their own hobbies. Some of them like singing, while others are crazy about take photos.
9. Recently, due to the outbreak of COVID-19,everyone has “closed” at home for as longer as two weeks.
10. Three days ago, I visit my uncle's small factory that produced Chinese traditional carpets. I found it hard and more dangerous than I had thought.