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01

Six percent of the work ____ been done.

A. have B. is C. has

C是最佳答案。six percent of百分之六，百分数做定语时，如果修饰的是可数名词，后面接复数名词，谓语用复数形式，如果是不可数名词，谓语用第三人称单数形式。work工作，不可数名词，句中要用被动语态，因此，选C才对。

02

—Both Li Lei and Han Meimei ____ fond of the TV program a Bite of China.

—I am also deeply moved by its stories.

A. is B. am

C. was D. are

D是最佳答案。both…and 既……又，连接两个主语，谓语用复数形式，因此，选D才对。

03

Everyone except Tom and John ____

there when the meeting began.

A. is B. was

C. were D. are

B是最佳答案。everyone except Tom and John, except象with, without 那样谓语要看前面的词，由前面的词决定，everyone是不定代词，做主语时谓语要用第三人称单数形式，时态要呼应，因此，选B才对。

04

This new pair of socks ____ nice.

A are B. looks C. look

B是最佳答案。this new pair of socks这双新袜子,句子的谓语由pair的数决定，句子中用了单数，因此，选B才对。

05

Either Bob or Peter ____ watching the World Cup now.

A. is B. are

C. am D. be

A是最佳答案。either …or既……又，连接两个主语时，谓语要用就近原则，类似的还有，not only … but also, neither … nor, or,因此，选A才对。