主谓一致是英语语法中的一个重要概念，涉及到句子中主语和谓语动词在数上的一致性。以下是一些关于主谓一致的练习题及其解析：
1. Each of you ______ responsible for the accident.
正确答案：c. is
解析：当each、every、no等修饰单数名词时，谓语动词用单数。
2. Each man and woman ______ the same rights.
正确答案：a. has
解析：并列主语由and连接，如果表示的是同一概念或视为单一整体，谓语动词用单数。
3. Every means ______ tried but without much result.
正确答案：a. has been
解析：means在这里意为“方法”，单复数同形，前面有every修饰，所以谓语动词用单数，且句子表示过去发生的事情对现在的影响，用现在完成时。
4. There ______ in this room.
正确答案：d. is too much furniture
解析："there be"结构中的be动词取决于紧跟其后的名词，furniture是不可数名词，故用is。
5. The manager or his assistant ______ planning to go.
正确答案：c. was
解析：选择项or表示选择，如果主语是单数或被单数所修饰，谓语动词用单数，此处表示过去计划，用一般过去时。
6. Not only I but also David and Iris ______ fond of playing basketball.
正确答案：c. are
解析："not only...but also..."连接并列主语时，遵循就近原则，David and Iris是复数，故用are。
7. Neither Tom nor his parents ______ at home.
正确答案：b. are
解析："neither...nor..."同样遵循就近原则，parents是复数，用are。
8. Either the dean or the principal ______ the meeting.
正确答案：a. attends
解析：either...or...遵循就近原则，the principal是单数，用attends。
9. ______ was wrong.
正确答案：d. Not the students but the teacher
解析：not...but...连接并列主语，谓语动词遵循就近原则，the teacher是单数，用was。
10. “______ twenty dollars a big sum to her?” “I suppose so.”
正确答案：b. Is
解析：金钱作主语时，看作单数，谓语动词用is。
11. Three hours ______ enough for us to finish the task.
正确答案：c. is
解析：时间、距离、重量、度量衡等抽象名词作主语，通常看作单数，用is。
12. Most of his savings ______ in the Xin Hua Bank.
正确答案：d. have been kept
解析：savings是复数形式，用have，句子表达的是被动语态，用been kept。
13. All that can be done ______.
正确答案：b. has been done
解析：all指代的是事情，谓语动词用单数，句子表达过去完成的动作，用has been done。
14. One or perhaps more pages _______.
正确答案：c. are missing
解析：pages是复数，用are，missing是形容词，表示状态。
15. More than one worker ______ dismissed.
正确答案：c. has been
解析：more than one + 单数名词作主语，谓语动词用单数，表达被动，用has been。
16. Many a student ______ the importance of learning a foreign language.
正确答案：b. has realized
解析：many a + 单数名词作主语，谓语动词用单数，表示主动，用has realized。
17. The gas works ______ near the city.
正确答案：a. is
解析：works在这里指工厂，看作单数，谓语动词用is。
18. The surroundings of his house ______ clean now.
正确答案：b. are
解析：surroundings是复数形式，谓语动词用are。
19. The committee ______ over the problem among themselves for two hours.
正确答案：a. has argued
解析：committee作为集体名词，有时可视为单数，此处用has argued。
通过以上题目，我们可以看出主谓一致规则包括：单数主语搭配单数谓语，复数主语搭配复数谓语；部分特殊主语如money、news等视为单数；"either...or...", "neither...nor...", "not only...but also..."等连接的并列主语遵循就近原则；"there be"结构中be动词与紧跟其后的名词一致；抽象名词作主语时通常视为单数等。理解并掌握这些规则，能帮助我们正确使用主谓一致。
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