在英语学习中，掌握语态的使用是非常重要的。语态分为两种：主动语态和被动语态。主动语态强调的是动作的执行者，而被动语态则强调的是动作的承受者。为了帮助大家更好地理解和运用被动语态，下面我们将通过一些练习题来巩固这一知识点。
一、选择题
1. The cake ________ by my mother yesterday.
A. was made
B. is made
C. has been made
D. had been made
正确答案：A
解析：根据时间状语“yesterday”，可以判断句子应该使用一般过去时的被动语态。
2. A new bridge ________ over the river next year.
A. will build
B. is built
C. will be built
D. builds
正确答案：C
解析：表示将来发生的动作，并且主语是动作的承受者，因此要用一般将来时的被动语态。
3. The book ________ by many students every year.
A. reads
B. is read
C. has been read
D. was read
正确答案：B
解析：这里描述的是习惯性的动作，用一般现在时的被动语态即可。
4. My bike ________ repaired last week.
A. was
B. is
C. has been
D. were
正确答案：A
解析：根据时间状语“last week”，可以确定使用一般过去时的被动语态。
5. English ________ widely in the world.
A. speaks
B. is spoken
C. spoke
D. was spoken
正确答案：B
解析：英语作为一门语言，被广泛使用，因此用一般现在时的被动语态。
二、改写句子
6. They will finish the project next month.
改写成被动语态：The project will be finished by them next month.
7. She writes a letter every day.
改写成被动语态：A letter is written by her every day.
8. He has cleaned the classroom.
改写成被动语态：The classroom has been cleaned by him.
9. We are going to plant trees tomorrow.
改写成被动语态：Trees are going to be planted by us tomorrow.
10. They have already repaired the car.
改写成被动语态：The car has already been repaired by them.
以上就是关于被动语态的一些练习题及其答案。希望大家通过这些题目能够更加熟练地掌握被动语态的用法。记住，在使用被动语态时，一定要注意时态的变化以及动作的执行者是否需要明确指出。希望这些练习对你有所帮助！
