在英语学习中，掌握被动语态的运用是一项重要的技能。为了帮助大家更好地理解和使用被动语态，我们整理了以下20道练习题。通过这些题目，大家可以检验自己的语法水平，并逐步提升对被动语态的理解与应用能力。
1. The book ________ by many students every year.
A) reads
B) is read
C) has been read
D) was read
2. A new bridge ________ across the river last year.
A) built
B) was built
C) builds
D) will build
3. My homework ________ already ________.
A) has, finished
B) has, been finished
C) have, been finished
D) had, been finished
4. The letter ________ to me by my friend yesterday.
A) sent
B) was sent
C) sends
D) was sending
5. Many trees ________ in this area last month.
A) planted
B) were planted
C) plant
D) will plant
6. The cake ________ by my mom for my birthday.
A) makes
B) made
C) is made
D) has made
7. English ________ as an official language in many countries.
A) speaks
B) is spoken
C) spoke
D) was spoken
8. The movie ________ next week.
A) will release
B) releases
C) will be released
D) has been released
9. This song ________ by Jay Chou.
A) sings
B) sang
C) is sung
D) has sung
10. The classroom ________ cleaned every day.
A) cleans
B) is cleaned
C) cleaned
D) has cleaned
11. The problem ________ discussed at the meeting tomorrow.
A) will discuss
B) will be discussed
C) discusses
D) discussed
12. A lot of money ________ raised for charity events recently.
A) has been
B) was
C) has raised
D) raised
13. The window ________ just now.
A) opened
B) was opened
C) opens
D) is opening
14. These books ________ by the librarian yesterday.
A) borrowed
B) were borrowed
C) borrow
D) will borrow
15. The plan ________ discussed thoroughly before implementation.
A) will discuss
B) will be discussed
C) discusses
D) discussed
16. The flowers ________ by children in the garden.
A) water
B) watered
C) are watered
D) will water
17. The project ________ completed on time.
A) must complete
B) must be completed
C) completes
D) completed
18. The letter ________ to my address last week.
A) received
B) was received
C) receives
D) received by
19. The machine ________ repaired soon.
A) must repair
B) must be repaired
C) repairs
D) repaired
20. The door ________ locked when I left home.
A) locks
B) locked
C) is locked
D) was locked
以上就是20道关于被动语态的练习题。希望大家能够认真完成并总结经验，从而更熟练地掌握这一语法点。如果还有疑问，可以查阅相关资料或向老师请教哦！
